Ma'anar ƙamus na kalmar "Agriculturist" shine wanda ya ƙware a fannin kimiyya da fasahar noman ƙasa, da kiwon amfanin gona, da sarrafa ayyukan noma. Masanin noma shine wanda ya kware a fannonin noma daban-daban, wadanda suka hada da kimiyyar kasa, noman amfanin gona, sarrafa dabbobi, da tattalin arzikin gona. Hakanan suna iya shiga cikin bincike, koyarwa, da ayyukan haɓaka da suka shafi aikin gona. Ana iya amfani da kalmar “masanin noma” a matsayin ma’ana ga manomi, masanin noma, ko masanin aikin gona.