Bonanza Definition

bə-nănzə

noun

A very rich vein or pocket of ore.

Webster's New World

Any source of great wealth or profits.

Webster's New World

The point at which two mother lodes intersect.

Wiktionary

By extension, anything which is a mine of wealth or yields a large income or return.

The popular show quickly became a ratings bonanza for the network.

Wiktionary

Synonyms:

Other Word Forms of Bonanza

Singular:

bonanza

Plural:

bonanzas

Spanish from Medieval Latin bonacia calm sea blend of Latin bonus good deu-² in Indo-European roots and Medieval Latin malacia calm sea (from Greek malakiā) (from malakos soft mel-¹ in Indo-European roots)

From American Heritage Dictionary of the English Language, 5th Edition
From Spanish bonanza (“calm sea, fair weather, good luck, rich lode”), from Medieval Latin bonacia (“fair weather”), a blend of bonus (“good”) and malacia (“calm sea”).

From Wiktionary

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