Definify.com
Webster 1913 Edition
Decayer
De-cay′er
,Noun.
A causer of decay.
[R.]
Webster 1828 Edition
Decayer
DECA'YER
,Noun.
DECA'YING, ppr. Failing; declining; passing from a good, prosperous or sound state, to a worse condition; perishing.
DECA'YING, n. Decay; decline.
DECE'ASE, n. [L. to depart or to withdraw.] Literally, departure; hence, departure from this life; death; applied to human beings only.