Fu*ga"cious (?), a. [L. fugax, fugacis, from fugere: cf. F. fugace. See Fugitive.]
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.
Fleeting; lasting but a short time; -- applied particularly to organs or parts which are short-lived as compared with the life of the individual.
© Webster 1913.