exclamation mark
US /ˌek.skləˈmeɪ.ʃən ˌmɑːrk/
UK /ˌek.skləˈmeɪ.ʃən ˌmɑːrk/

1.
a punctuation mark (!) indicating an exclamation or strong feeling
:
•
Remember to use an exclamation mark at the end of a strong statement.
•
The sentence ended with an exclamation mark, showing excitement.