Ichidan verb, Intransitive verb
to chip; to be chipped; to break (off); to be damaged
奥歯が欠けました。My back tooth has chipped. to be missing (from a set, team, etc.); to be absent; to become lost
to be lacking (in); to be short (of); to be deficient; to be wanting (in)
to wane (of the moon); to go into eclipse
also 虧ける
Also written 缺ける【かける】、闕ける【かける】