마리

Etymology
Originally identical to, its yang-vowel analogue. This is one of a number of Korean yang-yin vowel pairs which were originally one word with two connected but different meanings, leading to speakers using vowels to differentiate between the two meanings. See also and.

Counter

 * 1) animals; head (of cattle); fish

Usage notes
As with most count words (a.k.a. classifiers), is preceded by native Korean numerals.