Answer:

plummet

Answer	Crossword Clue
PLUMMET	Go straight down
PLUMMET	Nosedive
PLUMMET	Nose-dive

PLUMMET	Fall fruit gathered (7)
PLUMMET	Surveyer's item.
PLUMMET	Fall straight down.
PLUMMET	Fall
PLUMMET	Fall suddenly
PLUMMET	Take a dive

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.