Definition

A part or section of the stem of certain marine animals, specifically crinoids, which are related to starfish and sea urchins.

Example

The columnal structure of the crinoid helps it to maintain stability in the water.

Conversation

Have you ever seen a columnal structure in nature?

I think I might have, but I’m not sure what you mean.

It's like those segments you find on certain sea creatures, right?

Oh, I get it now! Those are pretty fascinating to observe.

Synonyms & Antonyms

Root Explanation

Columnal → It is formed from "column" (from Latin "columna", meaning a pillar or support) and "-al" (meaning pertaining to). The word "columnal" refers to something that is related to or resembling a column.

Memory Tip

Think of a "column" as a supporting pillar, and the suffix "-al" indicates that it pertains to that pillar. This helps you remember that "columnal" relates to columns.

Visually Confused Words