D defs.my
Entry 1 sense Webster, 1913

Indoor

/ĭn'-dôrˌ/ · In·door · IPA /ˈɪndoɹ/
01 a. Done or being within doors; within a house or institution; domestic; as, indoor work.
  1. 1.
    Done or being within doors; within a house or institution; domestic; as, indoor work.