se-ten·ant or se ten·ant (sə-těn'ənt, sět'n-äɴ', sə-tə-näɴ') n. A block of commemorative stamps printed together on the same sheet but differing in design, color, value, or overprint.
[French : se, reflexive pron. + tenant, present participle of tenir, to hold.] se-ten'ant adj.