Definition

A channel or groove in a roof that allows water to flow off.

Example

The rainwater flowed smoothly through the cullis, preventing leaks in the building.

Conversation

Did you notice the new roof on that house down the street?

Yeah, it looks great! I love how they added a cullis to it.

Right? It really enhances the design and helps with rain drainage.

Exactly! A good cullis can make such a difference.

Synonyms & Antonyms

Root Explanation

The word 'cullis' originates from Old French 'culisse', meaning a curtain or a screen. It refers to a type of curtain used in theater or a screen that conceals something.

Memory Tip

Think of a 'curtain' ('culisse') that hides or screens something from view — that's what 'cullis' refers to.

Visually Confused Words