Treenail

//ˈtɹiːˌneɪl// noun

Definitions

Noun
  1. 1
    A wooden peg or pin used as a fastener.

    "Long treenails were quite difficult to drive, often being damaged in the process, with ends becoming "broomed", or worse, split, necessitating the head being trimmed, or far worse, the removal of the treenail."

  2. 2
    a wooden peg that is used to fasten timbers in shipbuilding; water causes the peg to swell and hold the timbers fast wordnet

Etymology

Inherited from Middle English trenayl; equivalent to tree + nail.

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