rising or swelling in waves. / Full of waves. / Moving to and fro; undulating. / Having wave-like shapes on its border or surface; waved.

(surgery) A surgical procedure whereby small portions of the lung, called bulla, are removed. Bulla are large areas (> 1 cm in diameter) in the lung filled with oxygen-depleted air

Alternative form of tannour (“primitive clay oven”)

(non-native speakers' English) Misspelling of apartment.