H0037550 (hăm′ər-kŏp′, hä′mər-) or ham·mer·kop H0037550 (hăm′ər-) n. See hammerhead.[Afrikaans : hamer, hammer (from Middle Dutch) ; see ak- in the Appendix of Indo-European roots + kop, head (from Middle Dutch, cup, head, from Old Dutch, cup, ultimately from Late Latin cuppa, drinking vessel, cup; see cup).] EncyclopediaSeehammerkop