投とう影えい面めん積せきMeaningsNoun1. projected areaKanji used投throw影shadow面surface積pile up and accumulateComposed of投とう影えいprojection (of a shadow); casting (a reflection); reflection; cast shadow; (geometric) projection; reflection (of feelings, experiences, etc.); projectionNoun面めん積せきarea (measurement); square measure; size (of land); floor spaceNoun