culaccino

From culaccio +‎ -ino, derived from culo (“bottom”, literally “butt”).

• IPA^(key): /ku.laˈt͡ːʃi.no/, [kul̺ätˈt͡ʃiːn̺o]
• Rhymes: -ino
• Hyphenation: cu‧lac‧cì‧no

culaccino m (plural culaccini)

1. the end of a salami, loaf of bread etc.
   • 2016, Fabio Picchi, Papale Papale: Ricette che salvano l'anima [Papale Papale: Recipes that save your soul]‎, 1st edition, Firenze: Giunti Editore, →ISBN:

     Prendete un culaccino di pane raffermo […]

     Take a bottom of stale bread […]

2. the dregs in a glass, or the remaining part of a substance in a vessel
3. a water ring, a mark left on a surface by the bottom of a wet glass or vessel (of tea, water, etc)