Meaning of J in English

J

1. n. (also j) (pl. Js or J's)

1. the tenth letter of the alphabet.

2 (as a Roman numeral) i in a final position (ij; vj). 2. abbr. (also J.)

1. joule(s).

2 Judge.

3 Justice.

Oxford English vocab.      Оксфордский английский словарь.