/riˈsesiv/
Adjective
1. Tending to backward or recede. (thefreedictionary.com)
2. (Genetics) Able to be covered up by a dominant trait. (wiktionary.com)
3. (Genetics) Producing its characteristic phenotype only when its allele is identical. (wordnetweb.princeton.edu)
Noun
1. A recessive allele or trait. (biology-online.org)
2. An organism whose recessive trait is discernible or expressed. (biology-online.org)