biramous

American  

[bahy-rey-muhs] / baɪˈreɪ məs /

Also biramose

adjective

Biology.

1. consisting of or divided into two branches.

   a biramous appendage.

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biramous British  

/ ˈbɪrəməs /

adjective

1. divided into two parts, as the appendages of crustaceans

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Etymology

Origin of biramous

First recorded in 1875–80; bi- ¹ + ramous

Example Sentences

Illustration A shows the biramous, or two-branched leg of a crayfish.

From Textbooks • Jan. 1, 2015

It is likely that the trunk-limbs were also biramous, with additional endites and exites.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

The effect of the parasite in the male is that the abdomen is broader, the copulatory styles reduced, and biramous hairy appendages are developed similar to those of the female, but smaller.

From Hormones and Heredity by Cunningham, J. T.

They are foliaceous and are usually regarded as biramous.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" by Various

It is highly probable, however, that the biramous limb is a simplification of a more complex primitive type, to which the Phyllopod limb is a more or less close approximation.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various