1capitalized: a genus of large parasitic ciliate protozoans (order Heterotricha) including one (B. coli) that infests the intestines of some mammals and especially swine and may cause a chronic ulcerative dysentery in humans
2plural balantidia\-ē-ə\: a protozoan of the genus Balantidium
Other Words from balantidium
balantidial\-ē-əl\ or balantidic\-ˈtid-ik\adjective