I. noun
( -s )
Etymology: Middle English, bubbling of water, from Old English wælm, wielm action of boiling or bubbling; akin to Old High German walm action of boiling, Old English weallan, wyllan to bubble, well — more at well
obsolete : wallop 2
II. ˈwäm intransitive verb
Etymology: Middle English walmen, from walm, n.
archaic , archaic : to well up (as water) : gush forth
waters spring and walm out of the inner parts of the earth — Stephen Batman