1. (noun) son of John Cabot who was born in Italy and who led an English expedition in search of the Northwest Passage and a Spanish expedition that explored the La Plata region of Brazil; in 1544 he published a map of the world (1476-1557)

• sebastian cabot

2. (noun) Italian explorer who led the English expedition in 1497 that discovered the mainland of North America and explored the coast from Nova Scotia to Newfoundland (ca. 1450-1498)

• giovanni cabato
• john cabot