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Noun
1. type genus of the family Aplysiidae
(synonym) genus Aplysia, Tethys, genus Tethus
(hypernym) mollusk genus
(member-holonym) Aplysiidae, family Aplysiidae, Tethyidae, family Tethyidae
(member-meronym) sea hare, Aplysia punctata

(n.)
A genus of marine mollusks of the order Tectibranchiata; the sea hare. Some of the species when disturbed throw out a deep purple liquor, which colors the water to some distance. See Illust. in Appendix.
  

N F
sponge of inferior quality

aplysia, aplysiae
n. f. sponge of inferior quality; 

See more at Wikipedia.org...

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Noun
1. type genus of the family Aplysiidae
(synonym) genus Aplysia, Tethys, genus Tethus
(hypernym) mollusk genus
(member-holonym) Aplysiidae, family Aplysiidae, Tethyidae, family Tethyidae
(member-meronym) sea hare, Aplysia punctata

(n.)
A genus of marine mollusks of the order Tectibranchiata; the sea hare. Some of the species when disturbed throw out a deep purple liquor, which colors the water to some distance. See Illust. in Appendix.
  

N F
sponge of inferior quality

aplysia, aplysiae
n. f. sponge of inferior quality;