Postilion, postillion
- A guide or forerunner.
- One who rides a post-horse, a post-boy; a swift messenger.
Post chaise with postillion - One who rides the near horse of the leaders when four or more are used in a carriage or post-chaise; especially one who rides the near horse when one pair only is used and there is no driver on the box.
- Supplementary floats to prevent fishing line from sinking.
- (verb) To insert and manipulate a finger in the anus of a sexual partner as a means of sexual excitement.