Meaning of Z in English

Z

(also z ) / zed; US ziː/ noun ( pl. Zs , Z's , z's / zedz; NAmE ziːz/)

1.

[ C , U ] the 26th and last letter of the English alphabet :

'Zebra' begins with (a) Z / 'Z'.

2.

Z's [ pl. ] ( NAmE , informal , humorous ) sleep :

I need to catch some Z's.

IDIOMS

see A noun

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.