"In the 16th and 17th centuries, medlars were bawdily called "open-arses" because of the shape of the fruits, inspiring boisterous or humorously indecent puns in many Elizabethan and Jacobean plays." https://en.m.wikipedia.org/wiki/Mespilus_germanica

May I introduce you to the wondrous medlar fruit, celebrated on this 4th day of Frimaire.