rowlock: Meaning and Definition of

row•lock

Pronunciation: (rō'lok" for 3 also Naut. rol'&schwak, rul'-), [key]
— n.
  1. one of several concentric rings of masonry forming an arch.
  2. a brick laid on edge, esp. as a header. Cf.(def. 7).
  3. oarlock.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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