Also found in: Thesaurus, Medical, Legal, Idioms, Encyclopedia, Wikipedia.


n. pl. tax·es (tăk′sēz)
1. Biology The responsive movement of a free-moving organism or cell toward or away from an external stimulus, such as light.
2. Medicine The moving of a body part by manipulation into normal position, as after a dislocation, fracture, or hernia.

[Greek, arrangement, from tassein, tag-, to arrange.]


1. (Biology) the movement of a cell or organism in a particular direction in response to an external stimulus
2. (Surgery) surgery the repositioning of a displaced organ or part by manual manipulation only
[C18: via New Latin from Greek: arrangement, from tassein to place in order]


(ˈtæk sɪs)

n., pl. tax•es (ˈtæk siz)
1. arrangement or order, as in one of the physical sciences.
2. oriented movement of a motile organism in response to an external stimulus, as toward light.
3. the repositioning of a displaced body part by manipulation without cutting.
[1720–30; < New Latin < Greek táxis, derivative of tássein to arrange]




a combining form representing taxis1: chemotaxis.


The response of a protist or lower animal to directional stimulus, usually involving movement, either towards the stimulus or away from it.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.taxis - a locomotor response toward or away from an external stimulus by a motile (and usually simple) organism
response, reaction - a bodily process occurring due to the effect of some antecedent stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age"
chemotaxis - movement by a cell or organism in reaction to a chemical stimulus
2.taxis - the surgical procedure of manually restoring a displaced body part
surgical operation, surgical procedure, surgical process, surgery, operation - a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery"


L. taxis.
1. manipulación o reducción de una parte u órgano para llevarlo a la posición normal;
2. reflejo direccional del movimiento de un organismo en respuesta a un estímulo.
References in classic literature ?
The vehicle gave every facility for a man to put his arm round a girl's waist (an advantage which the hansom had over the taxi of the present day), and the delight of that was worth the cost of the evening's entertainment.
A few minutes later he bade the policeman adieu, and, with a slip of paper in his pocket bearing a certain address in a semirespectable quarter, he walked briskly toward the nearest taxi stand.
Along Pall Mall the taxi in which she was seated gained considerably, but in the Park and along the Bird Cage Walk both the other taxies, risking the police regulations, drew almost alongside.
The taxi was on the Embankment now, and they sped along for some time in silence.
She shrugged her shoulders but gave him a pleasant little nod as he stepped into the taxi.
I took a taxi, and having ascertained the address from the telephone book, I made for the Oxygen Tube Supply Company in Oxford Street.
I turned away to pay off my taxi, the driver of which was very cantankerous and abusive over his fare.
Right bravely the Ancient Mariner drove to the Bronx in a taxi, registered his "Charles Stough Greenleaf" in an old-fashioned hand, and took up anew the activities which for years had kept him free of the poor-farm.
When all three sank panting on the top seats of the yellow vehicle, the inspector said: "We could go four times as quick in a taxi.
He hailed a passing taxi and directed the driver to make for the Pen and Ink Club.
The initial members of the joint venture include Yellow Cabs, Silver Top Taxi Service, Black and White Cabs, Suburban Taxis and Cabcharge (ASX: CAB).
The plan provides for the addition of 3,268 new taxis, which will raise the number of taxis in operation from 9,497 vehicles in 2015 to 12,765 vehicles by 2020," Al Tayer said.