( n. )
A secondary mouth fold developed at the base of each of the armlike lobes of the manubrium of many rhizostome medusae. See Illustration in Appendix.
( n. )
A secondary mouth fold developed at the base of each of the armlike lobes of the manubrium of many rhizostome medusae. See Illustration in Appendix.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012