| 单词 | tunicate |
| 释义 | tunicate /tooh"ni kit, -kayt', tyooh"-/, n. 1. Zool. any sessile marine chordate of the subphylum Tunicata (Urochordata), having a saclike body enclosed in a thick membrane or tunic and two openings or siphons for the ingress and egress of water. adj. Also, tunicated. 2. (esp. of the Tunicata) having a tunic or covering. 3. of or pertaining to the tunicates. 4. Bot. having or consisting of a series of concentric layers, as a bulb. [1615-25; < L tunicatus wearing a tunic. See TUNIC, -ATE1] |
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