Senses
天井 courtyard
a small yard or atrium enclosed by buildings on four sides
天井 skylight
an opening in a roof or ceiling to admit light
天井 shaft
(bound form) a vertical shaft or well; a raise in mining
天井 Tianjing
the name for the acupuncture point TB10
天井 caisson ceiling
a decorative recessed wooden frame or square frame in a ceiling