Attach  v. 1 fasten, affix, join. 2 (in passive; foll. By to) be very fond of. 3 attribute or be attributable; assign (can't attach a name to it; no blame attaches to us). 4 accompany; form part of (no conditions are attached). 5 refl. (usu. Foll. By to) take part in; join (attached himself to the team). 6 seize by legal authority. [french from germanic]