(idiomatic) Ready if needed, in reserve, prepared, available for use whenever it might be advantageous.

from beginning to end

(hunting) An act of hounds retracing a course in order to pick up the lost scent of prey.

present participle of back-burner

Third-person singular simple present indicative form of back-burner

simple past tense and past participle of back-burner

present participle of back-form

simple past tense and past participle of back-form

plural of back room

plural of back substitution