Definition

A small lever or arm that moves when it touches another part, often used to help control motion in machines.

Example

The mechanic replaced the tappet to ensure the engine ran smoothly.

Conversation

I was fixing my old clock and I found a broken tappet inside.

Really? What does a tappet even do?

It helps transmit motion between parts, like the gears and the hands.

That makes sense! I never knew clocks had such interesting components.

Synonyms & Antonyms

Root Explanation

The word 'tappet' originates from Middle English 'tappet', which is a diminutive form of 'tape' (from Old French 'tape', meaning a strip or band). It refers to a small piece or strip of material, often used in the context of textiles or carpets.

Memory Tip

Think of a small 'strip' ('tape') of material when you hear 'tappet', which helps you remember that it refers to a small piece or strip.

Visually Confused Words