n. [ OF. chaudun, caudun, caldun; cf. G. kaldaunen guts, bowels, LL. calduna intestine, W. coluddyn gut, dim. of coludd bowels. ] Entrails. [ Obs. ] [ Written also chaudron, chauldron. ] Shak. [ 1913 Webster ]
n. (Physics) any elementary particle that interacts strongly with other particles. [ WordNet 1.5 ]