In law, to take by legal authority.To take (real or personal property) by legal warrant, to be held for the satisfaction of the judgment that may be rendered in a suit.See attachment.To lay hold of; seize.To take, seize, or lay hold on, by moral force, as by affection or interest; fasten or bind by moral influence; win: as, his kindness attached us all to him.To tack or fix to; fasten in any manner, as one thing to another, by either natural or artificial means; bind; tie; cause to adhere.Figuratively, to connect; associate: as, to attach a particular significance to a word.To join to or with in action or function; connect as an associate or adjunct; adjoin for duty or companionship: as, an officer is attached to such a ship, regiment, battalion, etc.; our regiment is attached to the 1st brigade; this man is attached to my service; he attached himself to me for the entire journey.To adhere; pertain, as a quality or circumstance; belong or be incident: with to.To be fixed or fastened; rest as an appurtenance: with on or upon.To come into operation; take or have effect.n. An attachment.n. An attack.