pen·tam·e·ter
noun/penˈtæmɪtə(r)/
/penˈtæmɪtər/
[countable, uncountable] (specialist)- a line of poetry with five stressed syllables; the rhythm of poetry with five stressed syllables to a line
五音步诗行；五音步诗律 Word Originearly 16th cent.: via Latin from Greek pentametros (see penta- and meter, sense 3).