verb (used with or without object),sight-read[sahyt-red], /ˈsaɪt rɛd/, sight-read·ing[sahyt-ree-ding]. /ˈsaɪtˌri dɪŋ/.
to read, play, or sing without previous practice, rehearsal, or study of the material to be treated: to sight-read music; to sight-read another language.
verb-reads, -readingor-read (-ˌrɛd)
to sing or play (music in a printed or written form) without previous preparation