Type: Term Pronunciation: kūmz Definitions: 1. Robin R.A., 20th-century English veterinarian and immunologist. See: Gell and Coombs reactions, under reaction, Coombs serum, Coombs test, direct Coombs test, indirect Coombs test Found on http://www.medilexicon.com/medicaldictionary.php?t=20247