Definify.com

Webster 1913 Edition

Involucrum

‖

Inˊvo-lu′crum

,

Noun.

;

pl. L.

Involucra

(#)

, E.

Involucrums

(#)

.

[L. See

.]

1.

(Bot.)

See

.

2.

(Zool.)

A sheath which surrounds the base of the lasso cells in the

Siphonophora

.

Webster 1828 Edition

Involucrum

INVOLU'CRUM