Is “Main” a Scrabble word?

1. 1.Short for mainline.

2. 2.To mainly play a specific character, or side, during a game.

   “He mains the same character as me in that game.”

3. 3.Of a road: to convert into a main or primary road.

1. 1.Of chief or leading importance; prime, principal.

2. 2.Chief, most important, or principal in extent, size, or strength; consisting of the largest part.

   “main timbers  main branch of a river  main body of an army”

3. 3.(of force, strength, etc.) Full, sheer, undivided.

Synonyms: largest

1. 1.Exceedingly, extremely, greatly, mightily, very, very much.