Meaning of PLUMMET in English

PLUMMET

n. & v.

n. 1 a plumb or plumb-line. 2 a sounding-line. 3 a weight attached to a fishing-line to keep the float upright.

v.intr. (plummeted, plummeting) fall or plunge rapidly.

[ ME f. OF plommet dimin. (as PLUMB(1)) ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.