You know what it looks like… but what is it called?
TAKE THE QUIZ“engineer's”
The following 5 entries include the term engineer's.
engineer's brake valve
noun: a valve in the cab of a locomotive for operating the air brake
engineer's chain
noun: a chain (see chain sense 1c(1)) 50 or 100 feet long consisting of one-foot links
engineer's hammer
noun: any of various hand hammers used by engineers and metalworkers and resembling a machinist's hammer but heavier
engineer's level
nounengineer's scale
noun: a scale that is commonly of triangular cross section and has different decimal scales on its edges