Fugacious
Pronunciation : Fu*ga"cious
Part of Speech : a.
Etymology : [L. fugax, fugacis, from fugere: cf. F. fugace. See Fugitive.]
Definition : 1. Flying, or disposed to fly; fleeing away; lasting but a short time; volatile. Much of its possessions is so hid, so fugacious, and of so uncertain purchase. Jer. Taylor.
2. (Biol.)
Defn: Fleeting; lasting but a short time; -- applied particularly to organs or parts which are short-lived as compared with the life of the individual.
Source : Webster's Unabridged Dictionary, 1913