gym·no·glos·sa \-ˈgläsə, -lȯsə\noun plural Usage: capitalized Etymology: New Latin, from gymn- + -glossa in some classifications: a division of Pectinibranchia comprising gastropods lacking jaws or radula • gym·no·glos·sate\| ̷ ̷(ˌ) ̷ ̷|gläsə̇t, -ȯs-, -ˌsāt\adjective