Как по Английски будет bourdons

noun

A low-pitched stop in an organ or harmonium, typically a stopped diapason of 16-foot pitch.

Примеры использования:

These names have all been used denote a bourdon pitched an octave lower, at 16' or 32'.

noun

A large hairy social bee which flies with a loud hum, living in small colonies in holes underground.

Примеры использования:

The mites don't affect other bee pollinators, such as bumblebees and leaf-cutting bees.