CzechCourse

at sign
Very common
Noun
Gender:Masculine inanimate
Animacy:inanimate
Paradigm:stroj
Countability:countable

Declension

CaseSingularPlural
1. Nominative
2. Genitive
3. Dative
4. Accusative
5. Vocative
6. Locative
7. Instrumental

Examples

There is an at sign in the email.
Write the at sign.
The address does not work without the at sign.
The domain is after the at sign.
I see two at signs.