v. t. [ imp. & p. p. Expectorated p. pr. & vb. n. Expectorating ] [ L. expecrorare to drive from the breast; ex out + pectus, pectiris, breast. See Pectoral. ] To eject from the trachea or lungs; to discharge, as phlegm or other matter, by coughing, hawking, and spitting; to spit forth. [ 1913 Webster ]