Definition of buttock line in English:

buttock line

Line breaks: but|tock line

noun

Each of a series of longitudinal lines or curves marked on a plan of a ship to show its fore-and-aft sections at various distances from the centre line.
More example sentences
  • The chine and buttock lines will reveal the full bellied shape usually present in this type of hull.
  • The basic idea is to mark off a grid on the ground under the boat for buttock line and frame stations.
  • The flat runout buttock lines provide planing speed capacity with minimal drag and maximum stern support.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day jaunty
Pronunciation: ˈdʒɔːnti
adjective
having a lively, cheerful, and self-confident manner...