Definition of "biramous" []

• Consisting of or having two branches, as the appendages of an arthropod. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "They have two pairs of antennae and biramous feeding appendages."
• "Uropods are the last pair of abdominal appendages that are biramous and extend beyond the end of the abdomen."
• "Those are the modified endopodites of pleopods inner branches of biramous abdominal limbs that have evolved to perform the function of sperm transfer."