gown

gown is a Noun

Definition:

[1] A loose, flowing upper garment; especially:

[2] The ordinary outer dress of a woman; as, a calico or silk gown.

[3] The official robe of certain professional men and scholars, as university students and officers, barristers, judges, etc.; hence, the dress of peace; the dress of civil officers, in distinction from military. He Mars deposed, and arms to gowns made yield. Dryden.

[4] A loose wrapper worn by gentlemen within doors; a dressing gown.

[5] Any sort of dress or garb. He comes . . . in the gown of humility. Shak.