what does lcd means
â¢ LCD (noun). The noun LCD has 1 sense: 1. a digital display that uses liquid crystal cells that change reflectivity in an applied electric field; used for portable computer displays and watches etc.Familiarity information: LCD used as a noun is very rare.Dictionary entry details.. a digital display that uses liquid crystal cells that change reflectivity in an applied electric field; used for portable computer displays and watches etc. Familiarity information: LCD used as a noun is very rare. Dictionary entry details.