main

/meɪn/
adjective
  1. Most important; primary.
    • She is the main character in the novel.
    • Our main goal is to finish the project on time.
    • The main reason for the meeting is to discuss the budget.
noun
  1. A principal pipe, cable, or channel for water, gas, electricity, or sewage.
    • They connected the new house to the main sewer line.
    • The gas main was damaged during construction.
    • A burst water main flooded the street.
  2. The primary or most important part of something, especially in the phrase 'the main' meaning the ocean or high sea (archaic or poetic).
    • The ship sailed out into the main.
    • They ventured across the main to discover new lands.
    • In the poem, the hero crossed the stormy main.
What does "main" mean? | whatsthatwordmean | whatsthatwordmean