Webster's Revised Unabridged Dictionary · 1913

Veretillum

Veretillum , noun

[Latin, dim. of veretrum the private parts.]

(Zoology) Any one of numerous species of club-shaped, compound Alcyonaria belonging to Veretillum and allied genera, of the tribe Pennatulacea. The whole colony can move about as if it were a simple animal.