Answer:

warmup

Answer	Crossword Clue
WARMUP	Throw in the bull pen
WARMUP	Get loose for the game
WARMUP	Prepare leftovers

WARMUP	Grow more receptive (to)
WARMUP	Prepare for a game, in a way
WARMUP	Throw in the bullpen
WARMUP	Throw in a pen
WARMUP	Get ready in the bullpen
WARMUP	Get ready to exercise
WARMUP	Prepare for aerobics
WARMUP	Use the microwave

WARMUP	Pre-exercise ritual
WARMUP	Prepare for action.
WARMUP	Put life into.
WARMUP	Bull pen activity.
WARMUP	Activity in the bull pen.
WARMUP	Pregame practice
WARMUP	Prepare to perform
WARMUP	Pre-exercise exercise

WARMUP	Stretch, perhaps
WARMUP	Rehearsal
WARMUP	Get ready to play
WARMUP	Pre-race stretch, say
WARMUP	Pitcher's chore
WARMUP	Practice before a game

Crossword

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