R


R
Ⅰ.
R [1] (also r) NOUN (pl. Rs or R's) the eighteenth letter of the alphabet.
the three Rs — Cf. ↑the three Rs
Ⅱ.
R [2] ABBREVIATION 1) rand. 2) Regina or Rex. 3) (®) registered as a trademark. 4) (R.) River. 5) roentgen(s). 6) rook (in chess). 7) Cricket (on scorecards) run(s).

English terms dictionary. 2015.