PHYSALIA

Physalia, genus Physalia

(noun) Portuguese man-of-war

Source: WordNet® 3.1


Phy*sa"li*a, n. Etym: [NL., fr. Gr. (Zoöl.)

Definition: A genus of large oceanic Siphonophora which includes the Portuguese man-of-war.

Note: It has a large air sac, or float, with a sail-like crest on its upper side. Numerous zooids of different kinds are attached to the under side of the float. Some of the zooids have very long tentacles; some have a mouth and digest food; others produce gonophores. The American species (Physalia arethusa) is brilliantly colored, the float being pink or purple, and bright blue; the zooids blue. It is noted for its virulent stinging powers, as well as for its beautiful colors, graceful motions, and its ability to sail to windward.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

26 November 2024

TRANSPOSITION

(noun) (music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards


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