caul

caul
[kɔːl]
noun
  1. the amniotic membrane enclosing a fetus
    胎头羊膜
    ■part of this membrane occasionally found on a child's head at birth, thought to bring good luck
    (出生婴儿头上的)胎头羊膜状东西(据信能带来好运气)
  2. (historical)a woman's close-fitting indoor headdress or hairnet
    (史)(室内用)女子头饰,发网
  3. (Anatomy)the omentum
    (剖)网膜
语源
  1. Middle English: perhaps from Old French cale 'head covering', but recorded earlier
英语宝典
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