Ayuh. It isn't the same word as "mow" /mo:/ the lawn. OED saith:
mow, n.1: Now chiefly regional. Brit. /maʊ/, U.S. /maʊ/ [which means "rhymes with 'cow'"]
1. a. A stack of hay, corn, beans, peas, etc.; esp. a heap of grain or hay in a barn. Also: the quantity of grain or hay stacked in one bay of a barn. Cf. HAY-MOW n. b. A place in a barn where hay or corn is heaped up.
†2. More generally: a heap or pile of anything; a heap of earth, a mound, a hillock; (Sc.) a stack of peats. Obs. rare.
--Dr. Whom, Consulting Linguist, Grammarian, Orthoëpist, and Philological Busybody
no subject
mow, n.1:
Now chiefly regional.
Brit. /maʊ/, U.S. /maʊ/ [which means "rhymes with 'cow'"]
1. a. A stack of hay, corn, beans, peas, etc.; esp. a heap of grain or hay in a barn. Also: the quantity of grain or hay stacked in one bay of a barn. Cf. HAY-MOW n.
b. A place in a barn where hay or corn is heaped up.
†2. More generally: a heap or pile of anything; a heap of earth, a mound, a hillock; (Sc.) a stack of peats. Obs. rare.
--Dr. Whom, Consulting Linguist, Grammarian, Orthoëpist, and Philological Busybody