селе́ктор

nounmasculineinanimatecountablevery rarely used (#17787)

1.
selector, selector switchengineering
Инжене́р поверну́л селе́ктор на пане́ли.
The engineer turned the selector on the panel.
2.
intercom system, conference calltelecommunications
У́тром был селе́ктор с филиа́лами.
There was a conference call with the branches in the morning.
Often about a conference call between a head office and its branches.
3.
(rare) selector, keywordcomputing
В сти́лях испо́льзуется селе́ктор кла́сса.
A class selector is used in the stylesheet.

Examples

Переключи селектор каналов на второй.
Switch the channel selector to channel two.
Директор собрал всех начальников на селектор.
The director called all the department heads to a conference call.
По селектору объявили о срочном совещании.
An urgent meeting was announced over the intercom.