when returning from

a tray (for carrying e.g. dishes) / (archaic) a flat earthenware pot, bowl, or basin / short for 盆茣蓙(ぼんござ) (bon goza), a woven rush mat for rolling or throwing dice in gambling; short for Obon

an offering or votive at Obon

the Obon or Bon Festival, an event with Buddhist roots, celebrated on July 15

(obsolete) the Obon festival (see above)

tray, flat / bowl / Festival of the Dead (Lantern Festival)

welcome home (said by a person greeting another coming back home, a stock phrase required by the Japanese etiquette)

(idiomatic) deceased person

Obon break

memorial lantern, Obon lantern, a paper lantern used for memorials during Bon Festival