Bi"fid (&?;), a. [L. bifidus; bis twice + root of findere to cleave or split: cf. F. bifide.] Cleft to the middle or slightly beyond the middle; opening with a cleft; divided by a linear sinus, with straight margins.
Bif"i*date (&?;), a. [L. bifidatus.] See Bifid.
Bi*fi"lar (&?;), a. [Pref. bi- + filar.] Two-threaded; involving the use of two threads; as, bifilar suspension; a bifilar balance.
Bifilar micrometer (often called a bifilar), an instrument form measuring minute distances or angles by means of two very minute threads (usually spider lines), one of which, at least, is movable; -- more commonly called a filar micrometer.
Bi`fla*bel"late (&?;), a. [Pref. bi- + flabellate.] (Zoöl.) Flabellate on both sides.
Bi`fla*gel"late (&?;), a. [Pref. bi- + flagellate.] Having two long, narrow, whiplike appendages.
{ Bi*flo"rate (&?;), Bi*flo"rous (&?;), } a. [L. bis twice + flos, floris, flower.] (Bot.) Bearing two flowers; two-flowered.
Bi"fold (&?;), a. [Pref. bi- + fold.] Twofold; double; of two kinds, degrees, etc. Shak.
Bi*fo"li*ate (&?;), a. [Pref. bi- + foliate.] (Bot.) Having two leaves; two- leaved.
Bi*fo"li*o*late (&?;), a. [Pref. bi- + foliolate.] (Bot.) Having two leaflets, as some compound leaves.
Bif"o*rate (&?;), a. [L. bis twice + foratus, p. p. of forare to bore or pierce.] (Bot.) Having two perforations.
Bif"o*rine (&?;), n. [L. biforis, biforus, having two doors; bis twice + foris door.] (Bot.) An oval sac or cell, found in the leaves of certain plants of the order Araceæ. It has an opening at each end through which raphides, generated inside, are discharged.
Bi"forked (&?;), a. Bifurcate.
Bi"form (&?;), a. [L. biformis; bis twice + forma shape: cf. F. biforme.] Having two forms, bodies, or shapes. Croxall.
Bi"formed (&?;), a. [Pref. bi- + form.] Having two forms. Johnson.
Bi*form"i*ty (&?;), n. A double form.