n. & v.
--n.
1. a continuous or prolonged dull pain.
2 mental distress.
--v.intr.
1. suffer from or be the source of an ache (I ached all over; my left leg ached).
2 (foll. by to + infin.) desire greatly (we ached to be at home again).
Derivatives:
achingly adv.
Etymology: ME f. OE {aelig}ce, acan