Meaning of PLUMMET in English

PLUMMET

noun hence, any weight.

2. plummet ·noun a plumb bob or a plumb line. ·see under plumb, ·noun.

3. plummet ·noun a piece of lead attached to a line, used in sounding the depth of water.

4. plummet ·noun a piece of lead formerly used by school children to rule paper for writing.

Webster English vocab.      Английский словарь Webster.