Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of medusae is as below...

Craspedota :: Craspedota (n. pl.) The hydroid or naked-eyed medusae. See Hydroidea.

Velum :: Velum (n.) The circular membrane that partially incloses the space beneath the umbrella of hydroid medusae.

Polypomedusae :: Polypomedusae (n. pl.) Same as Hydrozoa.

Lithocyst :: Lithocyst (n.) A sac containing small, calcareous concretions (otoliths). They are found in many Medusae, and other invertebrates, and are supposed to be auditory organs..

Velarium :: Velarium (n.) The marginal membrane of certain medusae belonging to the Discophora.

Ephyra :: Ephyra (n.) A stage in the development of discophorous medusae, when they first begin to swim about after being detached from the strobila. See Strobila..

Rhopalium :: Rhopalium (n.) One of the marginal sensory bodies of medusae belonging to the Discophora.

Rhizostomata :: Rhizostomata (n. pl.) A suborder of Medusae which includes very large species without marginal tentacles, but having large mouth lobes closely united at the edges. See Illust. in Appendix..

Gymnophthalmata :: Gymnophthalmata (n. pl.) A group of acalephs, including the naked-eyed medusae; the hydromedusae. Most of them are known to be the free-swimming progeny (gonophores) of hydroids..

Medusae :: Medusae (pl. ) of Medus.

Scapulet :: Scapulet (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.

Ciliograde :: Ciliograde (a.) Moving by means of cilia, or cilialike organs; as, the ciliograde Medusae..

Vesiculata :: Vesiculata (n. pl.) The campanularian medusae.

Acalephae :: Acalephae (n. pl.) A group of Coelenterata, including the Medusae or jellyfishes, and hydroids; -- so called from the stinging power they possess. Sometimes called sea nettles..

Hydromedusae :: Hydromedusae (pl. ) of Hydromedus.

Strobila :: Strobila (n.) A form of the larva of certain Discophora in a state of development succeeding the scyphistoma. The body of the strobila becomes elongated, and subdivides transversely into a series of lobate segments which eventually become ephyrae, or young medusae..

Trachymedusae :: Trachymedusae (n. pl.) A division of acalephs in which the development is direct from the eggs, without a hydroid stage. Some of the species are parasitic on other medusae..

Taeniola :: Taeniola (n.) One of the radial partitions which separate the internal cavities of certain medusae.

Tentaculocyst :: Tentaculocyst (n.) One of the auditory organs of certain medusae; -- called also auditory tentacle.

Hydromedusa :: Hydromedusa (n.) Any medusa or jellyfish which is produced by budding from a hydroid. They are called also Craspedota, and naked-eyed medusae..

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