Auger (drill) An auger is a drilling device, or drill bit, that usually includes a rotating helical screw blade called a flighting to act as a screw conveyor to remove the drilled out material. The rotation of the blade causes the material to move out of the hole being drilled.
Dumas is a Southern French topographic surname, with fused preposition and definite article du, for someone who lived in an isolated dwelling in the country rather than in a village, from Occitan mas 'farmstead' (Late Latin mansum, mansus). Adolphe Dumas (1805-1861), French poet.
De la cruz Name Meaning. Spanish (De la Cruz): from the second element of a personal name formed with the religious suffix de la cruz âof the crossâ (Latin crux).