Entry 1 sense Webster, 1913 Cameronian · Cam·e·ro·ni·an · IPA /ˌkæməˈɹoʊ.ni.ən/ 01 n. A follower of the Rev. Richard Cameron, a Scotch Covenanter of the time of Charles II. 1. A follower of the Rev. Richard Cameron, a Scotch Covenanter of the time of Charles II.