allusively. A place or thing likened in some way to India, esp. in being a source of wealth.

Used allusively for a region or place yielding great wealth or to which profitable voyages may be made. Obsolete.

figurative. A (likely) source of wealth; a rich source of anything desirable or advantageous; esp. a source of abundant income or profit.

(in the story of Aladdin in the Arabian Nights) a magic cave full of gold, silver, and jewel-bearing trees; (chiefly figurative) a place of great…

A place or thing full of riches, or regarded as a source of something fine, precious, or valuable. Also: a fortune of the type represented by the…

In full, Comstock lode: a very rich lode of silver and gold discovered in Nevada in 1859; hence, allusively, a rich mine or ‘find’.