Online Google Dictionary

ferule 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈferəl/,
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ferules, plural;
  1. A flat ruler with a widened end, formerly used for punishing children

  1. a switch (a stick or cane or flat paddle) used to punish children
  2. A ruler-shaped instrument, generally used to slap naughty children on the hand
  3. an instrument used to punish children; specif: a flat piece of wood (as a ruler)  also ferula
  4. A ferule is the metal or plastic casing on a brush between the handle and the brush hairs. It holds the bristle portion to the handle.