hickey

1. A bruise-like mark made during petting by pressing the mouth to the skin on one’s partner’s body and sucking. (slang)
2. A similar mark made by the pressure of a musical instrument such as a violin or viola against the neck.
3. An object whose name is unknown or cannot be recalled. (informal, slang)
4. A printing defect caused by foreign matter on the printing surface resulting in a ring where the ink is missing, appearing as a spot of ink surrounded by a halo, or as an unprinted spot within a solid printed area.
5. A serif or other ornamentation on type. (informal)
6. Local swelling in a tissue area, especially skin, often due to injury.
7. A tool for making smooth, semicircular bends in conduit and pipe.
8. An unintended negative outcome or loss in regards to a deal or action. (US, slang) · take a hickey· Farmer Jones took a hickey on his soybean crop when the flood washed the seeds away.

Plural hickeys