plural noun
Steno·​glos·​sa | \ -lȯsə\

Definition of Stenoglossa

: a suborder of Pectinibranchia containing many common marine snails (such as the cone shells, olive shells, whelks) which have a concentrated nervous system, a radula, an unpaired esophageal gland, and usually a well-developed proboscis and including the groups Rachiglossa and Toxoglossa

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History and Etymology for Stenoglossa

New Latin, from sten- + -glossa

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to corrupt or become corrupted

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