gooseneck

English

goose +‎ neck

gooseneck (plural goosenecks)

(often attributive) Anything with a slender curved shape, resembling the neck of a goose, such as the shaft of some lamps.
- 1961, James S. Holton, Sound Language Teaching: The State of the Art Today (page 77)
  The gooseneck microphone. Mounted to the desk or to the side wall of the booth, the gooseneck offers a limited degree of flexibility for height and depth adjustment of the microphone.
(nautical) The swivel connection on a sailboat located near the bottom of the mast that the boom attaches to. When a sailboat performs a tack or a jibe the gooseneck swings the boom from one side of the boat to the other.

anything shaped like a goose's neck

swivel connection on a sailboat for the boom to attach to the mast