[tin.ker] n [ME tinkere] (14c) 1 a: a usu. itinerant mender of household utensils b: an unskillful mender: bungler
2. chiefly Irish: gypsy
[2]tinker vb tin.kered ; tin.ker.ing vi (1592): to work in the manner of a tinker; esp: to repair, adjust, or work with something in an unskilled or experimental manner: fiddle ~ vt: to repair, adjust, or experiment with -- tin.ker.er n