Kalmar "Atlantic" tana nufin teku na biyu mafi girma a duniya, wanda ke tsakanin Amurka zuwa yamma da Turai da Afirka zuwa gabas. Hakanan ana iya amfani da kalmar “Atlantic” azaman sifa don bayyana abubuwan da suka shafi ko kusa da wannan teku, kamar gabar tekun Atlantika, kogin Atlantika, ko guguwar Atlantika. Asalin kalmar “Atlantic” ta fito ne daga tatsuniyar Helenanci ta Atlas, wani Titani da aka ce yana ɗaukaka sama kuma aka azabtar da shi ta hanyar mayar da shi wani tsauni da aka ce yana Arewacin Afirka.