submain

noun

sub·​main

: a main (as in a sewer, gas, electrical, or drainage system) having a number of lesser mains feeding into or branching from it but being itself subsidiary to a larger main

Word History

Etymology

sub- + main

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Rhymes for submain

• abstain
• airplane
• alkane
• arcane
• arraign
• attain
• backplane
• betaine
• biplane
• blockchain
• butane
• campaign