Apex with one cleft or having two teeth.
means “in two” and is used most often to describe the appearance of the hamule or the anal appendages of males. A black damselfly with pale blue bands and a “deeply bifid superior anal appendage” is probably a Marsh Bluet.
split into 2 branches or processes.
a. (L. bifudus, forked; from bis, twice and findere, to cleave, divide) forked; divided by a cleft.
Two-lobed or split at the apex.
forked or split into two parts (such as the ureter or the penis)
divided into two lobes; "a bifid petal"
(L. bifidus, cleft into two parts). Referring to a bone that is more or less split or cleft.