8-Letter Words Starting: CALT

• A small, metal object with spikes arranged so that, when thrown onto the ground, one always faces up as a threat to pedestrians, horses, and vehicles.

• The same object represented as a heraldic charge.

• The starthistle, Centaurea calcitrapa, a plant with sharp thorns.

• Any of a number of flowering plants in the family Zygophyllaceae, including several members of the genus Kallstroemia and the species Tribulus terrestris, native to warm temperate and tropical regions.

• tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed

• a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits

• Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America