WordNet (r) 3.0 (2006):
choke off v 1: suppress; "He choked down his rage" [syn: choke off, choke down, choke back] 2: become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up" [syn: clog, choke off, clog up, back up, congest, choke, foul] [ant: unclog]