hickey

名词noun

1. 1originally US, slangA bruise-like mark made during petting by pressing the mouth to the skin on one’s partner’s body and sucking. [from 1934]
2. 2A similar mark made by the pressure of a musical instrument such as a violin or viola against the neck.
3. 3US, dialectA pimple.
4. 4informal, slangAn object whose name is unknown or cannot be recalled. [from 1909]
5. 5(printing) 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.
6. 6(printing, informal) A serif or other ornamentation on type.
7. 7Local swelling in a tissue area, especially skin, often due to injury. [from 1915]
8. 8A tool for making smooth, semicircular bends in conduit and pipe.