present participle of wane

Becoming weaker or smaller. / Of the lunar phase: as it shrinks when viewed from the Earth.

The fact or act of becoming less or less intense or present; fading. / The fact or act of becoming smaller.

plural of waning

A gradual diminution in power, value, intensity etc. / The lunar phase during which the sun seems to illuminate less of the moon as its sunlit area becomes progressively smaller as visible from Earth.

(intransitive) To progressively lose its splendor, value, ardor, power, intensity etc.; to decline. / (intransitive) Said of light that dims or diminishes in strength.

(Scotland, slang) A child.

(chiefly Northern England and Scotland, obsolete) A house or dwelling.

(idiomatic) in a period of decrease or decline

simple past tense and past participle of wane