Definition

A type of caterpillar that is often used in measuring the length of something, typically found in gardens or fields.

Example

The gardener noticed a spanworm crawling along the leaf, measuring its length as it moved.

Conversation

Have you ever seen a spanworm in the garden?

No, I haven't! What do they look like?

They're pretty small and usually have a greenish color.

Sounds interesting! I'll keep an eye out for them.

Synonyms & Antonyms

Root Explanation

The word 'spanworm' is formed from 'span' (from Old English *spanian*, meaning to stretch or extend) and 'worm' (from Old English *wyrm*, meaning serpent or worm). The term refers to a type of caterpillar that stretches or extends its body, resembling a worm.

Memory Tip

Think of 'span' meaning to stretch and 'worm' referring to a serpent or caterpillar — this helps you remember that a spanworm is a caterpillar that stretches its body.

Visually Confused Words