2 entries under this word

Adventive

Ad-vent'ive, a.

adjective

a. Accidental; adventitious;—little used in a general sense, but applied in botany to foreign plants accidentally or sparingly spontaneous in a country, yet hardly to be called native. Gray.

Ad-vĕnt′ive, n.

noun

n. A thing or person coming from without. [Rare.] Bacon.