(figuratively, Australia, New Zealand) To withdraw; to discontinue what one is doing or saying; to back off.

(phytopathology) a blight afflicting the seed heads or inflorescences of cereal crops

simple past tense and past participle of head off

Alternative spelling of crackhead.

(idiomatic) To puzzle, ponder, or wonder about something.

Alternative spelling of softheaded

Alternative spelling of headrush

plural of head boy

(idiomatic) To remain calm, reasonable, level-headed, especially in a situation likely to cause distress.

(aviation) A pitot tube.