1. the ceiling
    • 天井にしみがある
    • There is a stain on the ceiling.
    • 天井の高いホール
    • a high-ceilinged hall
  1. 天井板a ceiling board
    • 天井裏の電線
    • the electric wiring under the roof
  1. 天井画a painting on the ceiling
    • 天井知らずの相場
    • 〔証券で〕a major bull market with no peak apparent
    • 近ごろの物価は天井知らずだ
    • Prices today are skyrocketing.
  1. 天井つかみ〔証券で〕buying at the peak
  1. 天井値the ceiling price