v., n., & adj.
v. 1 tr. score or mark the surface of with a sharp or pointed object. 2 tr. a make a long narrow superficial wound in (the skin). b cause (a person or part of the body) to be scratched (scratched himself on the table). 3 tr. (also absol.) scrape without marking, esp. with the hand to relieve itching (stood there scratching). 4 tr. make or form by scratching. 5 tr. scribble; write hurriedly or awkwardly (scratched a quick reply; scratched a large A). 6 tr. (foll. by together, up, etc.) obtain (a thing) by scratching or with difficulty. 7 tr. (foll. by out, off, through) cancel or strike (out) with a pencil etc. 8 tr. (also absol.) withdraw (a competitor, candidate, etc.) from a race or competition. 9 intr. (often foll. by about, around, etc.) a scratch the ground etc. in search. b look around haphazardly (they were scratching about for evidence).
n. 1 a mark or wound made by scratching. 2 a sound of scratching. 3 a spell of scratching oneself. 4 colloq. a superficial wound. 5 a line from which competitors in a race (esp. those not receiving a handicap) start. 6 (in pl.) a disease of horses in which the pastern appears scratched. 7 sl. money.
attrib.adj. 1 collected by chance. 2 collected or made from whatever is available; heterogeneous (a scratch crew). 3 with no handicap given (a scratch race). from scratch 1 from the beginning. 2 without help or advantage. scratch along make a living etc. with difficulty. scratch one's head be perplexed. scratch my back and I will scratch yours 1 do me a favour and I will return it. 2 used in reference to mutual aid or flattery. scratch pad 1 esp. US a pad of paper for scribbling. 2 Computing a small fast memory for the temporary storage of data. scratch the surface deal with a matter only superficially. up to scratch up to the required standard. scratcher n.
[ ME, prob. f. synonymous ME scrat & cratch, both of uncert. orig.: cf. MLG kratsen, OHG krazzon ]