plumb

¹plumb

noun \ˈpləm\

Definition of PLUMB

: a lead weight attached to a line and used to indicate a vertical direction

— out of plumb or off plumb

: out of vertical or true

Origin of PLUMB

Middle English, from Anglo-French plum, plomb, from Latin plumbum lead

First Known Use: 14th century

Other Civil Engineering Terms

asphalt, ballast, barrage, cantilever, infrastructure, sluice

Rhymes with PLUMB

bum, chum, come, crumb, cum, drum, dumb, from, glum, gum, hum, lum, mum, numb, plum, rum, scrum, scum, slum, some, strum, sum, them, thrum, thumb