Flūs'tra, n.
n. [A-S. flustrian, to weave.] (Zoöl.) A compound plant-like animal consisting of one or two layers of horny or calcareous valved cells;—called also sea-mat, or white sea-weed.
n. [A-S. flustrian, to weave.] (Zoöl.) A compound plant-like animal consisting of one or two layers of horny or calcareous valved cells;—called also sea-mat, or white sea-weed.