0 past simple and past participle of ache
1 to have a continuous pain that is unpleasant but not very strong:
If you're not used to exercise your joints may ache the next day.
My back really aches after moving those heavy boxes around all day.
When we got off we had a good bit of walking, and my arm ached with holding my things.
My heart has often ached at the thought of the tragedy through which generations of men in those regions have had to pass.
Honestly, my heart ached for those people.