n. Same as score, n., 8.n. In founding, the bursting or splitting of a casting from unequal contraction in cooling.n. In music, the act, process, or result of writing out in score, of orchestrating in some particular manner, or of arranging for a different instrument: same as instrumentation, orchestration, or transcription.n. In racing, the act of bringing a horse and his rider over and over again to the score or starting line, so as to make a fair start.