Definition

The upper side of a body segment in an insect, specifically the back part of the thorax.

Example

The notum is an important feature for identifying different species of insects.

Conversation

Did you know that the notum is an important part of an insect's anatomy?

Really? I never thought about that before.

Yeah, it's the dorsal surface of their thoracic segment.

That makes sense, it's fascinating how complex insects are!

Synonyms & Antonyms

Root Explanation

The word 'notum' comes from Latin, meaning 'known' or 'noted'. It is derived from the root 'nosco' (meaning to know) and the suffix '-um', which is often used in Latin to form neuter nouns. Thus, 'notum' refers to something that is known or recognized.

Memory Tip

Think of 'notum' as something that is 'known' — it helps you remember that this word relates to knowledge or recognition.

Visually Confused Words