Extant \Ex"tant\, a. [L. extans, -antis, or exstans, -antis, p. pr. of extare, exstare, to stand out or forth; ex out + stare to stand: cf. F. extant. See Stand.]

1. Standing out or above any surface; protruded.

That part of the teeth which is extant above the gums. --Ray.

A body partly immersed in a fluid and partly extant. --Bentley.

2. Still existing; not destroyed or lost; outstanding.

Writings that were extant at that time. --Sir M. Hale.

The extant portraits of this great man. --I. Taylor.

3. Publicly known; conspicuous. [Obs.]

--B. Jonson.

Source: Webster's Revised Unabridged Dictionary (1913)