| humming | the act of singing with closed lips |
|---|---|
| humming | a humming noise |
| humming | shrublet of southwestern United States to Mexico having brilliant scarlet flowers |
| humming | a top that makes a humming noise as it spins |
| humming | tiny American bird having brilliant iridescent plumage and long slender bills |
| humming | any of various moths with long narrow forewings capable of powerful flight and hovering over flowers to feed |