bi·ra·mous /(ˈ)baɪˈreməs/ 形容詞
Bi·ra·mous a. Biol. Having, or consisting of, two branches.
adj : resembling a fork; divided or separated into two branches;
"the biramous appendages of an arthropod"; "long
branched hairs on its legson which pollen collects"; "a
forked river"; "a forked tail"; "forked lightning";
"horseradish grown in poor soil may develop prongy
roots" [syn: bifurcate, branched, forked, forficate,