CAP

To take one's oath. I will cap downright; I will swear home. TO CAP. To take off one's hat or cap. To cap the quadrangle; a lesson of humility, or rather servility, taught undergraduates at the university, where they are obliged to cross the area of the college cap in hand, in reverence to the fellows who sometimes walk there. The same ceremony is observed on coming on the quarter deck of ships of war, although no officer should be on it.TO CAP. To support another's assertion or tale. To assist a man in cheating. The file kidded the joskin with sham books, and his pall capped; the deep one cheated the countryman with false cards, and his confederate assisted in the fraud.