buttock line (English, noun)
expansion: buttock line (plural buttock lines)
Senses:
topics: aeronautics
aerospace
aviation
business
engineering
natural-sciences
physical-sciences
qualifier: ship-building
glosses: A curve indicating the shape of an airfoil or nautical equivalent in a vertical plane parallel to the longitudinal axis of the craft or vessel.
Forms:
form: buttock lines
tags: plural