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3 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 phy·sa·lia /faɪˈselɪə/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Phy·sa·li·a prop. n.  Zool. 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.
 

From: WordNet (r) 2.0

 Physalia
      n : Portuguese man-of-war [syn: genus Physalia]