ceftriaxone: a parenteral cephalosporin (trade name Rocephin) used for severe infection 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
deposition: the act of deposing someone; removing a powerful person from a position or office