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pectorals Pectoral \ Pec" to* ral\ ( p[ e^] k" t[- o]* ral), a. [ L. pectoralis, fr. pectus, - oris the breast; cf. F. pectoral.] 1. Of or pertaining to the breast, or chest; as, the pectoral muscles. [ 1913 Webster] 2. Relating to, or good for, diseases of the chest or lungs; as, a pectoral remedy. [ 1913 Webster] 3. ( Zool.) Having the breast conspicuously colored; as, the pectoral sandpiper. [ 1913 Webster] { Pectoral arch}, or { Pectoral girdle} ( Anat.), the two or more bony or cartilaginous pieces of the vertebrate skeleton to which the fore limbs are articulated; the shoulder girdle. In man it consists of two bones, the scapula and clavicle, on each side. { Pectoral cross} ( Eccl.), a cross worn on the breast by bishops and abbots, and sometimes also by canons. { Pectoral fins}, or { Pectorals} ( Zool.), fins situated on the sides, behind the gills. See Illust. under { Fin}. { Pectoral rail}. ( Zool.) See { Land rail} ( b) under { Land}. { Pectoral sandpiper} ( Zool.), the jacksnipe ( b) . [ 1913 Webster]
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