Is there a verb accordion? The first obvious meaning is "play the accordion", but there's a bunch of cites for "accordioning heart" - maybe used to describe some in-out movement. --Borganised 13:18, 15 October 2008 (UTC)
RFD sense 2013
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- Delete. Nothing adjectival about it; looks like an attributive use of a noun. --Dan Polansky (talk) 08:48, 7 December 2013 (UTC)
A noun modifier. Not really an adjective. Donnanz 23:40, 10 Dec 2013.