(Canada, US, colloquial) A person in a position of power, authority, or status.

The Sierra Nevada range. / The region of California characterized by the natural history particular to the Sierra Nevada.

plural of senior high school

(Ireland, UK) a large free-standing Celtic cross made of stone and often richly decorated.

(US, slang, dated) The boss; the man in charge.

(Internet) A proxy that hides the complexity of and controls access to a complex set of classes.

(informal) To destroy totally by explosion.

Alternative form of high time

(uncountable, idiomatic) A point in time at which something is considered to be utterly due or even overdue to occur; well past time

(Scotland) Alternative form of moot-hill