n. [ Sp., prop. calm., fair weather, prosperity, fr. L. bonus good. ] In mining, a rich mine or vein of silver or gold; hence, anything which is a mine of wealth or yields a large income. [ Colloq. U. S. ] [ 1913 Webster ]
[おおあたり, ooatari](n, vs, adj-no) big hit; big prize; bumper crop; striking it rich; right on the mark; bonanza; bull's eye; bullseye; (P)#16849[Add to Longdo]