se-ten·ant 
(sə-tĕnənt, sĕt′n-äɴ, sə-tə-näɴ)
(sə-tĕnənt, sĕt′n-äɴ, sə-tə-näɴ)adj.
Relating to or being commemorative stamps that are printed together on the same sheet but differ from one another.
[French : se, reflexive pron. + tenant, present participle of tenir, to hold.]