形容詞 metrical:

1. based on the meter as a standard of measurement
   同義詞：metric
2. the rhythmic arrangement of syllables
   同義詞：measured, metric

1. A metrical unit consisting of seven feet.
   七韻步由七個(gè)音步組成的格律單位
2. A line of verse consisting of five metrical feet.
   五音步的每行有五個(gè)韻腳的一種詩
3. The substitution of one metrical unit for another, especially the substitution of two short syllables for one long syllable in quantitative verse.
   長音節(jié)的拆分或替換一個(gè)韻律元素替代另一個(gè)，尤指在數(shù)量韻文中用兩個(gè)短音節(jié)替代一個(gè)長音節(jié)
4. A metrical unit of quantitative verse consisting of two or more cola.
   定量測量單位包括兩個(gè)或兩個(gè)以上音行的定量韻律的度量單位

met.ri.cal

adj.（形容詞）
Of, relating to, or composed in poetic meter:
韻律的，詩韻的：屬于或關(guān)于詩歌韻律的，用詩體寫的：
例句：
metrical verse; five metrical units in a line.
格律詩；一行里五個(gè)格律單位

Of or relating to measurement.
度量的，測量的

來源：
Middle English
中古英語
from Latin metricus
源自 拉丁語 metricus
from Greek metrikos
源自 希臘語 metrikos
from metron [measure, poetic meter] * see mô- 2
源自 metron [測量，詩韻] *參見 mô- 2

【引伸】
met.rically
adv.（副詞）