biramous

[ bahy-rey-muhs ]

adjective

, Biology.

1. consisting of or divided into two branches:

   a biramous appendage.

biramous

/ ˈbɪrəməs /

adjective

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

Word History and Origins

Origin of biramous¹

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

Example Sentences

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 Project Gutenberg

They are foliaceous and are usually regarded as biramous.

From Project Gutenberg

The abdomen of the female is very broad, and has four pairs of biramous appendages covered with hairs, the normal function of which is to carry the eggs.

From Project Gutenberg

This form is retained, with little alteration in some adult Copepoda, where the biramous “palp” still aids in locomotion.

From Project Gutenberg

The limb-buds early become bilobed and grow out into typical biramous appendages which gradually assume the characters found in the adult.

From Project Gutenberg