What is the meaning of Parlay?

To carry forward the stake and winnings from a bet on to a subsequent wager or series of wagers.

To increase (an asset, money, etc.) by gambling or investing in a daring manner.

To convert (a situation, thing, etc.) into something better.

Alternative spelling of parley (to have a discussion, especially one between enemies)

A bet or series of bets where the stake and winnings are cumulatively carried forward; an accumulator.

speech, language

to speak, converse, talk

Source: wiktionary.org