Pĕr'i-thē'ci-ūm, n.
n. [Gr. περί, around, and θήκη, box, case.] (Bot.) An organ in certain fungi and lichens, surrounding and enveloping the masses of fructification. Henslow.
n. [Gr. περί, around, and θήκη, box, case.] (Bot.) An organ in certain fungi and lichens, surrounding and enveloping the masses of fructification. Henslow.