Longman Dictionary of Contemporary English
sight-read
verb
EXAMPLES FROM CORPUS
▪ He could sight-read anything without the slightest difficulty, and he immediately understood what was going on.
▪ Just like Thomas, I could sight-read anything she threw at me.
WordNet
sight-read
v. perform music from a score without having seen the score before; "He is a brilliant pianist but he cannot sightread" [syn: sightread]
play or perform music by reading it off the sheet; perform unprepared
Usage examples of "sight-read".
When C saxophones were still used, it made sense to write all sax music as though C were the home key -- after all, C is the easiest key to sight-read, due to the absence of sharps and flats in the signature.