Ma'anar ƙamus na kalmar "navvy" kalma ce ta Biritaniya na yau da kullun ga ma'aikacin da ke aiki akan aikin gini, musamman wanda ke da hannu wajen tono ko gina magudanar ruwa, layin dogo, ko hanyoyi. Kalmar "navvy" gajere ce ga "navigator," wanda kalma ce da aka yi amfani da ita ga ma'aikatan da suka gina tsarin magudanar ruwa na Birtaniya a ƙarni na 18 da 19. A amfani da zamani, ana amfani da kalmar "navvy" don yin nuni ga duk wani ma'aikacin hannu da ke aikin gine-gine, musamman a yanayin gina hanya ko jirgin kasa.