main

Meanings

• any very large body of (salt) water
• a principal pipe in a system that distributes water or gas or electricity or that collects sewage
• most important element
  • "the main doors were of solid glass"
• (of a clause) capable of standing syntactically alone as a complete sentence
  • "the main (or independent) clause in a complex sentence has at least a subject and a verb"
• of force; of the greatest possible intensity
  • "by main strength"

Synonyms

briny, chief, independent, master, primary, principal