straightener

From straighten +‎ -er.

• (Received Pronunciation) IPA^(key): /ˈstɹeɪt(ə)nə/
• (General American) IPA^(key): /ˈstɹeɪt(ə)nɚ/

• Audio (General Australian):

  (file)

straightener (plural straighteners)

1. A pair of metal tongs with heated ceramic plates used for straightening hair.
2. Anyone or anything which straightens.
3. (slang) A prearranged fight to settle a dispute.
4. (slang) A bribe.
   • 2001, William F. Gray, The Villain, page 65:

     'Injection or not, the bloody thing won't move an inch with juice and it ain't got any. Yeah and here comes the law.'
     Cool as a cucumber, Ernie said, 'Leave him to me. I'll give him a straightener.'

• restraighten