met·ri·fy 1 
(mĕtrə-fī′)
(mĕtrə-fī′)tr.v. met·ri·fied, met·ri·fy·ing, met·ri·fies
To put into or compose in poetic meter; versify.
[French métrifier, from Old French, from Medieval Latin metrificāre : Latin metrum, measure; see METER1 + Latin -ficāre, -fy.]
met′ri·fi·cation (-fĭ-kāshən) n.