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单词 retinaculum
释义 retinaculum
 /ret'n ak"yeuh leuhm/,  n.  ,  pl.   retinacula /-leuh/.
  1.  Anat.  ,  Zool.   any of various small structures that hook, clasp, or bind other structures to move them or hold them in place.
  2.  Entomol.   a bristle on the butterfly forewing that clasps to the frenulum of the hindwing.
 [1815-25; < NL; L retinaculum tether, rope which holds fast or restrains, equiv. to retin(ere) to hold fast, RETAIN + -a- (from v. stems ending in -a-; cf. GUBERNACULUM) + -culum -CULE2]
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更新时间:2026/6/4 20:18:50