hum

US /hʌm/
UK /hʌm/
"hum" picture
1.

zumbar, tararear

make a low, steady continuous sound like that of a bee

:
The refrigerator started to hum loudly.
El refrigerador empezó a zumbar ruidosamente.
Bees hum as they fly from flower to flower.
Las abejas zumban mientras vuelan de flor en flor.
2.

tararear

sing with closed lips, without articulating words

:
She likes to hum a tune while she works.
Le gusta tararear una melodía mientras trabaja.
He was humming softly to himself.
Estaba tarareando suavemente para sí mismo.
1.

zumbido, tarareo

a low, continuous, and indistinct sound

:
The constant hum of the air conditioner was annoying.
El constante zumbido del aire acondicionado era molesto.
I could hear the distant hum of traffic.
Podía oír el zumbido distante del tráfico.