costa
cos.ta \'ka:s-t*\ \-(.)te-, -.ti-\ \'ka:st-*l\ \'ka:s-.ta-t\ n or cos.tae [L - more at COAST] pl 1: RIB 2: a part (as the midrib of a leaf or the anterior vein of an insect wing) likened to a rib - cos.tal aj
Webster's English Dictionarycos.ta \'ka:s-t*\ \-(.)te-, -.ti-\ \'ka:st-*l\ \'ka:s-.ta-t\ n or cos.tae [L - more at COAST] pl 1: RIB 2: a part (as the midrib of a leaf or the anterior vein of an insect wing) likened to a rib - cos.tal aj