Meaning

noun a person who enjoys reading

noun someone who contracts to receive and pay for a service or a certain number of issues of a publication

noun a person who can read; a literate person

originFrom Middle English reder, redar, redere, redare, from Old English rēdere, rǣdere (“a reader; scholar; diviner”), from Proto-West Germanic *rādāri, equivalent to read + -er. Cognate with Saterland Frisian Räider (“advisor”), Dutch rader (“advisor”), German Rater (“advisor”).

Etymology from Wiktionary, CC BY-SA 3.0