Din

n.	1.	Loud, confused, harsh noise; a loud, continuous, rattling or clanging sound; clamor; roar. Think you a little din can daunt mine ears? - Shak. He knew the battle's din afar. - Sir W. Scott. The dust and din and steam of town. - Tennyson.
v. t.	1.	To strike with confused or clanging sound; to stun with loud and continued noise; to harass with clamor; as, to din the ears with cries. [imp. & p. p. Dinned ; p. pr. & vb. n. Dinning.]
	2.	To utter with a din; to repeat noisily; to ding. This hath been often dinned in my ears. - Swift. To din into to fix in the mind of another by frequent and noisy repetitions. - Sir W. Scott.
v. i.	1.	To sound with a din; a ding. The gay viol dinning in the dale. - A. Seward.

Noun	1.	din - a loud harsh or strident noise Synonyms: blare, blaring, cacophony, clamor
	2.	din - the act of making a noisy disturbance Synonyms: ruckus, ruction, rumpus, commotion, tumult
Verb	1.	din - make a resonant sound, like artillery; "His deep voice boomed through the hall" Synonyms: boom
	2.	din - instill (into a person) by constant repetition; "he dinned the lessons into his students"

DIN - Deutsche Institut fuer Normung. The German standardisation body, a member of ISO.

Deutsches Institut fuer Normung (org.)Bedlam let loose, awake the dead, babel, beat, bedlam, blast, blast the ear, blatancy, bobbery, boisterousness, boom, brawl, brouhaha, charivari, chirm, clamorousness, clangor, clap, clash, clatter, commotion, crash, crescendo, deafen, ding, discord, donnybrook, drum, drunken brawl, dustup, fill the air, flap, fracas, free-for-all, hammer, hell broke loose, howl, hubbub, hue and cry, hullabaloo, jangle, loud noise, music, noise and shouting, pandemonium, peal, percussion, pound, racket, rattle, rattle the windows, rend the air, rend the ears, resound, rhubarb, ring, rise, roar, rock the sky, ruckus, ruction, rumble, rumpus, shindy, shivaree, split the eardrums, split the ears, startle the echoes, stridency, stun, surge, swell, thunder, thunderclap, tintamarre, uproar