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 (brā′kē-əm, brăk′ē-)
n. pl. bra·chi·a (brā′kē-ə, brăk′ē-ə)
1. The part of the upper arm or forelimb extending from the shoulder to the elbow.
2. An arm or a homologous anatomical structure, such as a flipper or wing.
3. The part of a limb or process corresponding to an arm.

[Latin brācchium, arm, from Greek brakhīōn, upper arm; see mregh-u- in Indo-European roots.]


(ˈbreɪkɪəm; ˈbræk-)
n, pl -chia (-kɪə)
1. (Anatomy) anatomy the arm, esp the upper part
2. (Zoology) a corresponding part, such as a wing, in an animal
3. (Biology) biology a branching or armlike part
[C18: New Latin, from Latin bracchium arm, from Greek brakhiōn]


(ˈbreɪ ki əm, ˈbræk i-)

n., pl. bra•chi•a (ˈbreɪ ki ə, ˈbræk i ə)
1. the part of the arm from the shoulder to the elbow.
2. the corresponding part of any limb.
3. an armlike part.
[1725–35; < New Latin; Latin brāc(c)hium arm < Greek brachíōn arm, humerus, comp. of brachýs short]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.brachium - (biology) a branching or armlike part of an animal
biological science, biology - the science that studies living organisms
ramification, branch, leg - a part of a forked or branching shape; "he broke off one of the branches"
References in periodicals archive ?
The baPWV was automatically calculated by dividing the distance between the two arterial recording sites by the transit time according to the formula (L/PTT), where L represents the difference between the length from the heart to the ankle and the length from the heart to the brachium, and PTT represents the pulse transit time between the brachial and tibial arterial waveforms.
El lema que escogio Cortes para su escudo de armas era Judicium Domini aprehendit eos et fortitudo ejus corroboravit brachium meum ("El juicio del Senor se apodero de ellos y su poder fortalecio mi brazo").
9 cm proximal to the lateral epicondyle before becoming lateral to the humeral shaft and piercing the lateral intermuscular septum, entering the anterior compartment of the brachium.
The rapid development in recent decades, molecular biology techniques and genomics have also impacted the development of patents directed to practically all culture areas related to crustaceans with commercial importance, including the genus Macro brachium.
Skin temperature: Skin temperature was measured directly over the biceps mid brachium using an infrared sensor (DermatempTM Infrared Temperature Scanner.
However, viviparous and macro brachium are also suitable for rice fields.
Additional affected areas were the caudal dorsum in the region of the pelvis, the ventrum extending caudally to the tail (Fig IB), the ventral aspect of both wings extending from the distal brachium to the proximal antebrachium, and the hind limbs extending from the proximal tibiotarsus to the distal tarsometatarsus (Fig 1C).