gooseneck

noun

1. (attributive, often)Anything with a slender curved shape, resembling the neck of a goose, such as the shaft of some lamps.

   “A gooseneck lamp can be swiveled around an object, allowing a good examination of all its surfaces.”

   “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.”

2. 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.
3. (abbreviation, alt-of, ellipsis)Ellipsis of gooseneck barnacle.
4. (abbreviation, alt-of, ellipsis)Ellipsis of gooseneck loosestrife.

verb

1. (transitive)To seal (a bag) securely by twisting, folding, and cinching or taping.