a caltrop

listen to the pronunciation of a caltrop
الإنجليزية - الإنجليزية
crowfoot
crowsfoot
caltrop
A flowering plant, Tribulus terrestris, in the family Zygophyllaceae, native to warm temperate and tropical regions of the Old World
caltrop
The starthistle, Centaurea calcitrapa, a plant with sharp thorns
caltrop
{n} an instrument of three spikes, a plant
caltrop
Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
caltrop
a small, metal object with spikes arranged so that, when thrown onto the ground, one always faces up as a threat to passers-by
caltrop
They are scattered on the ground where an enemy's cavalry are to pass, to impede their progress by endangering the horses' feet
caltrop
An instrument with four iron points, so disposed that, any three of them being on the ground, the other projects upward
caltrop
A genus of herbaceous plants (Tribulus) of the order Zygophylleæ, having a hard several- celled fruit, armed with stout spines, and resembling the military instrument of the same name
caltrop
{i} any of several species of plants with spiny heads or fruit; iron ball with four spikes arranged so that one is always pointing upward (used to hinder passage of cavalries or vehicles)
caltrop
The species grow in warm countries, and are often very annoying to cattle
caltrop
a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
caltrop
tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
a caltrop
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