Yer meridyen dairesinin kırk milyonda biri olarak kabul edilen, temel uzunluk ölçüsü birimi ya da 100 cm.

i. ba: مترو metro.

(Aslı İtalyanca metro ise de Fransızcaya geçip metré suretinde istimal olunur.)

Maruf yeni arşın.

Rhythmical arrangement of syllables or words into verses,
stanzas, strophes, etc.; poetical measure, depending on number,
quantity, and accent of syllables; rhythm; measure; verse; also, any
specific rhythmical arrangements; as, the Horatian meters; a dactylic
meter.

A poem.

A measure of length, equal to 39.37 English inches, the
standard of linear measure in the metric system of weights and
measures. It was intended to be, and is very nearly, the ten millionth
part of the distance from the equator to the north pole, as ascertained
by actual measurement of an arc of a meridian. See Metric system, under
Metric.