ˈ ̷ ̷| ̷ ̷ ̷ ̷ adjective
: bellying out on the underside ; specifically : bent downward in the middle and usually also bent upward correspondingly — used of joists, beams, and similar structural members
ˈ ̷ ̷| ̷ ̷ ̷ ̷ adjective
: bellying out on the underside ; specifically : bent downward in the middle and usually also bent upward correspondingly — used of joists, beams, and similar structural members
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012