I.hum <pres part humming; pt, pp hummed> [Am həm, Brit hʌm] VB intr
1. hum:
2. hum (be active, vibrant):
- hum inf
II.hum <pres part humming; pt, pp hummed> [Am həm, Brit hʌm] VB trans
III.hum [Am həm, Brit hʌm] N
1. hum no pl (of bees, machinery):
- zumbido m