Initialism of rhythm and grime.

Alternative form of CCR

(education) The letter r (in certain English words, such as bird and sort) that modifies the pronunciation of the preceding vowel.

(Internet slang) A habitual poster on the /r9k/ - ROBOT9001 board on 4chan; a member of the /r9k/ community.

plural of R-word

Alternative letter-case form of r-word

Dated spelling of R & B.

(abbreviation) Alternative form of RAW.

Alternative form of RV / (nautical) Initialism of research vessel.

plural of /r/obot