heel counter is a noun meaning "a piece of leather forming the back of a shoe or boot". It carries one recorded sense.
a piece of leather forming the back of a shoe or boot
“a counter may be used to stiffen the material around the heel and to give support to the foot”
Definitions, synonyms and semantic relations for heel counter come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.