senna

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sen·na

 (sĕn′ə)
n.
1. Any of various plants in the pea family, chiefly of the genera Senna and Chamaecrista, having pinnately compound leaves and showy, nearly regular, usually yellow flowers, used as ornamentals and for medicinal purposes.
2. A preparation of the dried leaves of Senna alexandrina, used as a laxative.

[New Latin, from Arabic sanā; akin to Aramaic sanyā, a thorn-bush.]

senna

(ˈsɛnə)
n
1. (Plants) any of various tropical plants of the leguminous genus Cassia, esp C. angustifolia (Arabian senna) and C. acutifolia (Alexandrian senna), having typically yellow flowers and long pods
2. (Pharmacology) senna leaf the dried leaflets of any of these plants, used as a cathartic and laxative
3. (Pharmacology) senna pods the dried fruits of any of these plants, used as a cathartic and laxative
[C16: via New Latin from Arabic sanā]

Senna

(ˈsɛnə)
n
(Biography) Ayrton (ˈɛətən). 1960–94, Brazilian racing driver: Formula One world champion (1988, 1990, 1991)

sen•na

(ˈsɛn ə)

n., pl. -nas.
1. any plant, shrub, or tree belonging to the genus Cassia, of the legume family, having pinnate leaves and large clusters of flowers.
2. any of various cathartic drugs made from certain of these plants.
[1535–45; < New Latin < Arabic sanā]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.senna - any of various plants of the genus Senna having pinnately compound leaves and showy usually yellow flowerssenna - any of various plants of the genus Senna having pinnately compound leaves and showy usually yellow flowers; many are used medicinally
genus Senna - genus of shrubs and trees and herbs many of which are often classified as members of the genus Cassia
Cassia alata, ringworm bush, ringworm cassia, ringworm shrub, Senna alata - tropical shrub (especially of Americas) having yellow flowers and large leaves whose juice is used as a cure for ringworm and poisonous bites; sometimes placed in genus Cassia
avaram, Cassia auriculata, Senna auriculata, tanner's cassia - evergreen Indian shrub with vivid yellow flowers whose bark is used in tanning; sometimes placed in genus Cassia
Alexandria senna, Alexandrian senna, Cassia acutifolia, Cassia augustifolia, Indian senna, Senna alexandrina, tinnevelly senna, true senna - erect shrub having racemes of tawny yellow flowers; the dried leaves are used medicinally as a cathartic; sometimes placed in genus Cassia
Cassia occidentalis, coffee senna, mogdad coffee, Senna occidentalis, stinking weed, styptic weed - very leafy malodorous tropical weedy shrub whose seeds have been used as an adulterant for coffee; sometimes classified in genus Cassia
bush, shrub - a low woody perennial plant usually having several major stems
Translations

senna

[ˈsenə] Nsena f

senna

n (= drug)Sennesblätter pl; (= plant)Sennespflanze f

senna

n (bot) sen m
References in periodicals archive ?
This team was home to legends including James Hunt, Niki Lauda, Alain Prost and Ayrton Senna.
Ayrton Senna, after whom the car is named and who was killed in a crash in 1994, raced for McLaren from 1988 to 1993, winning three Formula One World Championships in the process.
05PM Documentary, featuring Ayrton Senna and Alain Prost.
The death of Ayrton Senna at Imola in 1994 helped to inspire that movement and Mosley admitted an accident such as Alonso's may once have had the same tragic outcome.
Four-time world champion Alain Prost, Bruno Senna, the nephew of Ayrton Senna, former driver Karun Chandhok and Susie Wolff, the first female driver to compete at a grand prix weekend in more than two decades, also help to make up the 12-strong presenting team and veteran Murray Walker will also contribute.
It's a champagne moment for Lewis Hamilton after his win at Suzuka equalled the record of his boyhood hero Ayrton Senna (inset)
Go-karting has been the launch pad for Formula One stars like Ayrton Senna and Lewis Hamilton.
40pm Documentary about the life of Brazilian Formula One driver Ayrton Senna, examining his achievements on the track over a 10-year period that saw him crowned world champion three times, until his death in a crash during the 1994 San Marino Grand Prix.
senna ItV 9PM Lewis Hamilton was barely out of nappies when Brazilian speedster Ayrton Senna thrilled Formula One fans en-route to the first of three world titles.
In 1988, the partnership created arguably the single most successful Formula 1 car of all time: the all-conquering McLaren-Honda MP4/4, which was driven to victory by Ayrton Senna and Alain Prost in an amazing 15 of the season s 16 grands prix.
London, May 02 ( ANI ): Mercedes driver Lewis Hamilton has said that Formula One legend Ayrton Senna inspired his driving style and that his whole approach to racing has developed from watching him race.
FORMULA ONE LEWIS HAMILTON has felt a lifelong connection to Ayrton Senna and attributes his own driving style and success to his early years of watching the three-time world champion on television.