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

The name, meaning "cleft-footed," applies to the appendages of the thorax, which are once-branched (biramous).

From Project Gutenberg

The sixth segment of the abdomen has a pair of biramous appendages, which, with the telson, form a swimming-fan.

From Project Gutenberg

There are always six pairs; each biramous and multiarticulated, supported on a pedicel formed of two segments.

From Project Gutenberg

At the end of the last thoracic segment, there is a minute abdomen, bearing three pairs of biramous cirri.

From Project Gutenberg

There are four pairs of biramous cephalic appendages, which differ only very slightly from the appendages of the thorax.

From Project Gutenberg