nickelback

== English == === Pronunciation === IPA(key): /ˈnɪkəlbæk/ Rhymes: -ɪkəlbæk === Etymology 1 === Blend of nickel +‎ cornerback. Modelled on quarterback: both the quarter (“25 cents”) and the nickel (“5 cents”) are American coins, though quarterback was not named for the coin. Coined due to the nickelback's role as the fifth defensive back on the field, thus the connection to the 5-cent nickel. ==== Alternative forms ==== nickel back ==== Noun ==== nickelback (plural nickelbacks) (American football) A fifth defensive back (in addition to two cornerbacks and two safeties) who is deployed for additional pass coverage. ===== Related terms ===== === Etymology 2 === From nickel +‎ back. ==== Noun ==== nickelback (plural nickelbacks) Alternative form of Nickelback.