Meaning of PLUMMET in English

PLUMMET

n.

Function: intransitive verb

Date: 1937

1 : to fall perpendicularly <birds plummet ed down>

2 : to drop sharply and abruptly <prices plummet ed >

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.