Answer:

nipple

Answer	Crossword Clue
NIPPLE	Milk-bottle top, possibly
NIPPLE	Pacifier part
NIPPLE	Bottle cap?

NIPPLE	Baby bottle tip
NIPPLE	Short, threaded pipe
NIPPLE	Baby bottle topper
NIPPLE	Infant bottle topper
NIPPLE	Sucker's reward?
NIPPLE	Desire of a little sucker?
NIPPLE	Part of a baby bottle
NIPPLE	Baby's bottle top

NIPPLE	Baby-bottle feature
NIPPLE	Bottle top?

Crossword

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