In a cavernous manner; like a cavern. / In a cavernous manner; sounding deep, hollow, or echoey.

(meteorology) A global-scale tropical atmospheric circulation that features air rising near the Equator, flowing poleward at a height of 10 to 15 kilometers above the earth's surface, descending in...

(music) an instrument that produces a concert pitch of B♭ when a C is written in the music

comparative form of genteel: more genteel