cefotaxime: a parenteral cephalosporin (trade name Claforan) used for severe infections of the lungs or throat or ears or urinary tract
cephalosporin: one of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity
greenmail: (corporation) the practice of purchasing enough shares in a firm to threaten a takeover and thereby forcing the owners to buy those shares back at a premium in order to stay in business