a. Bot. [f. BYSS-US + -OID.] Like a byssus; having a fringed structure with threads of unequal lengths.
1857. Berkeley, Cryptog. Bot., § 160. 185. Nucleus surrounded by a whorl of byssoid branchlets.
1861. H. Macmillan, Footnotes Page Nat., 140. The yellow hyaline filaments found at the bottom of wine bottles … their byssoid nature.
