selector

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

From select + -or.

The ladder was standing against the wall in the Selector compartment. — Space Station 1, Frank Belknap Long
Hawkins switched his intercom selector to 'ALL', meaning that everyone on line, including the Mission Control Director would hear. — Terminal Compromise, Winn Schwartau
For almost an hour, he had sat there pushing buttons and twiddling selector and magnification-adjustment knobs, looking at the pictures the Kholghoor-Nharkan cops had taken with auto-return balls dropped over the spatial equivalent of Sohram. — Time Crime, H. Beam Piper

picker, chooser

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