Obs. rare–1. [perh. cost = COAST.] Name of some boyish game.
1603. Florio, Montaigne, III. xiii. (1632), 626. To see him [Scipio] carelessly to dallie … in chusing of cockle-shels, and play at cost-castle along the sea-shoare with his friend Lælius.
(Montaigne’s word is cornichon va davant, explained by Littré as a race at picking up a number of objects while running.)
