of greater size, importance, or influence than others; chief
the chief pipe supplying water or gas, or a chief wire carrying electricity, into a building from outside
"the chief aim of living"
"the main doors were of solid glass"
"the principal rivers of America"
"the principal example"
"policemen were primary targets"
"the master bedroom"
"a master switch"
"the main (or independent) clause in a complex sentence has at least a subject and a verb"
"by main strength"
The island..was separated from the main by a channel.
出自： C. Thirlwall
To set so rich a main On the nice hazard of one doubtful hour.
出自：1 Henry IV , Shakespeare
Recreations..must consequently be..used as things on the by and not as the main.
出自： G. Towerson
She also gave a main stroke against Cecchino.
出自： H. Foulis
It is main foolish of me to talk to you thus.
出自： W. Godwin