cullis

A noun referring to a gutter or channel in a roof, used for directing water flow.

• 🇫🇷Nom désignant une gouttière ou un canal sur un toit, utilisé pour diriger l'écoulement de l'eau.

1. Gutter in a roof C2 formal british

   A channel or groove, often in a roof, designed to carry away rainwater.

   • The old house had a cullis that directed rainwater away from the walls.
   • The roofer repaired the damaged cullis to prevent leaks.
   • Water flowed smoothly through the cullis after the blockage was cleared.

   🇫🇷Chéneau

   Synonymes: channelguttertrough