To pledge; bind as by pledge, promise, contract, or oath; put under an obligation to do or forbear doing something; specifically, to make liable, as for a debt to a creditor; bind as surety or in betrothal: with a reflexive pronoun or (rarely) a noun or personal pronoun as object: as, nations engage themselves to each other by treaty.To pawn; stake; pledge.To secure for aid, employment, use, or the like; put under requisition by agreement or bargain; obtain a promise of: as, to engage one's friends in support of a cause; to engage workmen; to engage a carriage, or a supply of provisions.To gain; win and attach; draw; attract and fix: as, to engage the attention.To occupy; employ the attention or efforts of: as, to engage one in conversation; to be engaged in war; to engage one's self in party disputes.To enter into contest with; bring into conflict; encounter in battle: as, the army engaged the enemy at ten o'clock.To interlock and become entangled; entangle; involve.In mech., to mesh with and interact upon; enter and act or be acted upon; interlock with, as the teeth of geared wheels with each other, or the rack and pinion in a rack-and-pinion movement.To pledge one's word; promise; assume an obligation; become bound; undertake: as, a friend has engaged to supply the necessary funds.To occupy one's self; be busied; take part: as, to engage in conversation; he is zealously engaged in the cause.To have an encounter; begin to fight; enter into conflict.In fencing, to cross weapons with an adversary, pressing against his with sufficient force to prevent any manœuver from taking one unawares. Farrow, Mil. Encyc.In machinery, to mesh and interact.In construction, to fasten or let into a wall for support, as to secure a column to a wall. See engaged column, under column.