(uncountable) A layer of earth covered with grass; sod.

(countable) A piece of such a layer cut from the soil. May be used as sod to make a lawn, dried for peat, stacked to form earthen structures, etc.

(countable) A block of peat used as fuel.

A thick, carpet-like bed of algae.

(uncountable, slang) A territory claimed by a person, gang, etc., as their own.

(uncountable, with "the", sports) A racetrack, hippodrome; or the sport of racing horses.

To cover with turf; to create a lawn by laying turfs.

(Ultimate Frisbee) To throw a frisbee well short of its intended target, usually causing it to hit the ground within 10 yards of its release.

(business) To fire from a job or dismiss from a task.

(business) To cancel a project or product.

(informal, transitive) To expel, eject, or throw out; to turf out.

(medical slang, transitive) To transfer or attempt to transfer (a patient or case); to eschew or avoid responsibility for.