What is "succedanea"

Succedaneum \Suc`ce*da"ne*um\, n.; pl. Succedanea. [NL. See Succedaneous.] One who, or that which, succeeds to the place of another; that which is used for something else; a substitute; specifically (Med.), a remedy used as a substitute for another.

In lieu of me, you will have a very charming succedaneum, Lady Harriet Stanhope.
--Walpole.

n. (plural of succedaneum English)

1. n. (medicine) something that can be used as a substitute (especially any medicine that may be taken in place of another)

2. [also: succedanea (pl)]

See succedaneum