jpdb beta

cavity; hollow; void; hollow (voice, smile, etc.); blank (eyes, look, etc.); vacant (expression, stare, etc.)

absentmindedness; dreaminess; simpleton; fool

one's present existence; this mortal frame; this world; cast-off cicada shell; cicada

to become empty (hollow); to relax from a tense situation into a vacant or absent minded state

hollow in a tree