E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Rice thrown after a Bride.
It was an Indian custom, rice being, with the Hindûs, an emblem of fecundity. The bridegroom throws three handfuls over the bride, and the bride does the same over the bridegroom. With us the rice is thrown by neighbours and friends. (See MARRIAGE KNOT.)