Found 2 items, similar to JR.
English → English (WordNet) Definition: Jr Jr n : a son who has the same first name as his father [syn: Junior, Jnr]
English → English (gcide) Definition: Jr Jnr \Jnr.\ n. Abbreviation for Junior, used after a name by a son who has the same first and last name as his father; -- less commonly used than Jr. Syn: Junior, Jr. [WordNet 1.5]