frock

Short definition from Wiktionary

Noun

1. 1
   A dress, a piece of clothing, which consists of a skirt and a cover for the upper body.
2. 2
   An outer garment worn by priests and other clericals; a habit.
3. 3
   A sailor's jersey.
4. 4
   An undress regimental coat.
5. 5
   A frog.

Verb

1. 1
   To clothe (somebody) in a frock.
2. 2
   To make (somebody) a cleric.
3. 3
   To grant to an officer the title and uniform of a rank he will soon be promoted to.

Proper noun

1. 1
   A surname.