main
nounDefinition of main
(Entry 1 of 3)
1
: physical strength : force
—used in the phrase with might and main The next instant we were away down the river, clawing with might and main to keep out of the woods.— Mark Twain
3
: the chief part : essential point
they are in the main well-trained
4
: a pipe, duct, or circuit which carries the combined flow of tributary branches of a utility system
main
adjectiveDefinition of main (Entry 2 of 3)
Main
geographical nameDefinition of Main (Entry 3 of 3)
river 325 miles (523 kilometers) long in south central Germany rising in northern Bavaria in the Fichtelgebirge and flowing west into the Rhine River
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