(a) one of the radiating beams to which the sails of a windmill are attached; a ‘whip’; (b) one of the tentacles of a nautilus which bear the ‘sails’.
| 单词 | θ33252 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [noun] > order Dibranchiata > section Octopoda > family Argonautidae > member of > tentacle of (2) sail-arm1760 (a) one of the radiating beams to which the sails of a windmill are attached; a ‘whip’; (b) one of the tentacles of a nautilus which bear the ‘sails’. sail1817 Zoology. One of the two large tentacles of the Nautilus, formerly believed to be used as sails. |
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