Answer:

caps

Answer	Crossword Clue
CAPS	Kids' lids
CAPS	Gowns' go-withs
CAPS	Mushroom tops

CAPS	Puts a lid on
CAPS	Mushroom parts
CAPS	U.c. letters
CAPS	LETTERS LIKE THESE
CAPS	Upper limits
CAPS	Uppercase
CAPS	Diamond headwear
CAPS	Gowns' partners

CAPS	Hats with logos, often
CAPS	What some signs are written in
CAPS	Baseball headgear
CAPS	Limits
CAPS	Salary limits
CAPS	Some covers
CAPS	Dental additions
CAPS	Headline features, briefly

CAPS	Kids' gun ammo
CAPS	Long letters?
CAPS	Post-commencement fliers?
CAPS	Bottle tops
CAPS	Uppercase letters, briefly
CAPS	Stadium souvenirs
CAPS	They may be locked on a computer
CAPS	They may be used for emphasis

CAPS	Lens covers
CAPS	Toy pistol ammo
CAPS	Toy-pistol ammo
CAPS	Gowns' companions
CAPS	Toy gun ammo
CAPS	Bold alternative?
CAPS	Bottle toppers
CAPS	Detonating devices

CAPS	Cardinals' covers
CAPS	Mortarboards
CAPS	They're billed at the ballpark
CAPS	Baseball players' toppers
CAPS	Frothy parts of waves