Entry 1 sense Webster, 1913 Cheddar /chĕd'-ẽr/ · Ched·dar · IPA /ˈt͡ʃɛdɚ/ 01 a. Of or pertaining to, or made at, Cheddar, in England; as, Cheddar cheese. 1. Of or pertaining to, or made at, Cheddar, in England; as, Cheddar cheese.