simple past tense and past participle of grind out

Any of very many spiders, of the family Gnaphosidae, that hunt their prey instead of building a web to catch them.

(of a missile) fired from the ground at an aircraft in flight, or at an incoming missile

(of a missile) fired from an aircraft at a target on the ground

Something, particularly plants, which overlays an area of land. May refer to plants specifically grown to prevent erosion of an area.

Alternative form of groundswell

(physics) The stationary state of lowest energy of a particle or system of particles.

(military) The military units operating on the ground, including tanks, soldiers, artillery, etc.

(Canada, US) Beef that has been ground; minced beef.

(idiomatic) A characteristic or interest shared by multiple people or systems; any belief, etc. held in common.