exclamation mark

n. punctuation mark used after an interjection or exclamation to indicate emphasis (!)

An exclamation mark or exclamation point is a punctuation mark: ! It is usually used after an interjection or exclamation to indicate strong feelings or high volume, and generally marks the end of a sentence. A sentence ending in an exclamation mark is either an actual exclamation ("Wow!", "Boo!"), a command ("Stop!"), or is intended to be astonishing in some way ("They were the footprints of a gigantic hound!").
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<character> The character "!" with ASCII code 33.
Common names: bang; pling; excl (/eks'kl/); shriek; ITU-T: exclamation mark, exclamation point (US). Rare: factorial; exclam; smash; cuss; boing; yell; wow; hey; wham; eureka; soldier; INTERCAL: spark-spot.
The Commonwealth Hackish, "pling", is common among Acorn Archimedes owners. Bang is more common in the USA.
The occasional CMU usage, "shriek", is also used by APL fans and mathematicians, especially category theorists.
Exclamation mark is used in C and elsewhere as the logical negation operation (NOT).
(1998-09-17)

Noun
1. a punctuation mark (!) used after an exclamation
(synonym) exclamation point
(hypernym) punctuation, punctuation mark