SCULPTURE n. 3 definitions
The art of carving, cutting, or hewing wood, stone, metal, etc., into statues, ornaments, etc., or into figures, as of men, or other things; hence, the art of producing figures and groups, whether in plastic or hard materials.
SEAM n. 13 definitions
a ship, a floor, or other structure; the line of union, or joint, of two boards, planks, metal plates, etc. Precepts should be so finely wrought together . . . that no coarse seam may discover where they join. Addison.
SEXTANT n. 3 definitions
ude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle. See Quadrant.