採光 さいこう Meanings Noun, する verb, Transitive, Intransitive (natural) lighting (of an interior space) Kanji 採 pick. Read as サイ. 光 light. Read as コウ. Example sentences この部屋は採光が悪い。This room doesn't get a lot of sun. Words containing 採光 採光窓 (さいこうまど) skylight Jinuma: Japanese Dictionary · Word lists