From WordNet (r) 3.0 (2006):
COD
adv 1: collecting the charges upon delivery; "mail a package
C.O.D." [syn: C.O.D., COD, cash on delivery]
adj 1: payable by the recipient on delivery; "a collect call";
"the letter came collect"; "a COD parcel" [syn:
collect, cod]
n 1: the vessel that contains the seeds of a plant (not the
seeds themselves) [syn: pod, cod, seedcase]
2: lean white flesh of important North Atlantic food fish;
usually baked or poached [syn: cod, codfish]
3: major food fish of Arctic and cold-temperate waters [syn:
cod, codfish]
v 1: fool or hoax; "The immigrant was duped because he trusted
everyone"; "You can't fool me!" [syn: gull, dupe,
slang, befool, cod, fool, put on, take in, put
one over, put one across]
2: harass with persistent criticism or carping; "The children
teased the new teacher"; "Don't ride me so hard over my
failure"; "His fellow workers razzed him when he wore a
jacket and tie" [syn: tease, razz, rag, cod,
tantalize, tantalise, bait, taunt, twit, rally,
ride]