Answer:

BELL

Answer	Crossword Clue
BELL	Attention getter
BELL	Ringer
BELL	Kind of pepper

BELL	aka Bronte
BELL	"For Whom the ... Tolls"
BELL	Holiday ringer
BELL	Round end
BELL	It might toll at a funeral
BELL	Ding-dong
BELL	Phone pioneer
BELL	Place for a clapper

BELL	Hersey's "A ... for Adano"
BELL	Class ender
BELL	Kind of curve
BELL	Round ender
BELL	"A .. for Adano": 5-7-45 Pulitzer winner
BELL	Last-minute "savior"
BELL	School fixture
BELL	Word with captain or curve

BELL	Church tower feature
BELL	Bossy's ringer
BELL	"Class dismissed" sound
BELL	Accessory on the handlebars
BELL	.. jar: lab glass
BELL	It uses a clapper
BELL	End-of-round signal
BELL	Telephony pioneer

BELL	Half-hour unit of nautical time
BELL	Ma of telephones
BELL	Part of a jester's costume
BELL	Round-ending signal
BELL	Tintinnabulator
BELL	Pepper variety
BELL	Quasimodo rang one
BELL	Kind of pepper or captain

BELL	Bike accessory
BELL	Wall Street closer
BELL	Welcome sound in a boring class
BELL	Dinner signal
BELL	... the cat