outtake

[ out-teyk ]
/ ˈaʊtˌteɪk /

noun

a segment of film or videotape edited out of the final version, as because of a technical error.
a recording of a song not included in the final release of a record album, as because of a technical error.

Origin of outtake

First recorded in 1955–60; out- + take
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for out-take

outtake
/ (ˈaʊtˌteɪk) /

noun

an unreleased take from a recording session, film, or television programme
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012