Definitions

1. noun

A follower of the 18th-century Scottish philosopher David Hume; a skeptic or a person who doubts the possibility of knowledge or certainty.

“The philosopher was a Humean in his views on causation.”

2. verb

To fill or stuff with humus, especially in horticulture.

“The gardener humed the soil with compost to improve its fertility.”

3. verb

To make a humming sound, especially a low, continuous sound, often in reference to machinery or an engine.

“The old car started to hum as it warmed up.”