(slang, humorous, euphemistic) To fuck off.

(now historical) An extinct subspecies of ostrich, †Struthio camelus syriacus, that lived on the Arabian Peninsula.

(derogatory) A style of politics that evades rather than addresses problems; ostrichism.

A quasiperiodic oscillation of the equatorial zonal wind between easterlies and westerlies in the tropical stratosphere

Initialism of Orbiting Satellite Carrying Amateur Radio.

(politics) A group of countries run by governments or leaders that have taken the stance of denying the significance and downplaying the effects of the COVID-19 crisis.

The sovereign nation of the Osage people / The government of the Osage people / Osage County

(law) An instruction to jurors telling them they may equate willful ignorance with actual knowledge.

An oscillator that employs a piezoelectric resonator (crystal)

Alternative form of Osage orange