sight-read definition by American Heritage Dictionary
verb sight-read sight-read , sight-read·ing, sight-reads verb, transitive
To read or perform (music, for example) without preparation or prior acquaintance.verb, intransitive
To read or perform something on sight without preparation or prior acquaintance.
- sightˈ-readˌer noun
Variant of sight reading
the act or skill of performing unfamiliar written music, or of translating something written in a foreign language, readily on sight, without previous study