[calve] vb calved ; calv.ing [ME, fr. OE cealfian, fr. cealf calf] vi (bef. 12c) 1: to give birth to a calf; also: to produce offspring
2. of an ice mass: to separate or break so that a part becomes detached ~ vt 1: to produce by birth
2. of an ice mass: to let become detached