deckle
n.— «The lean shoulder cut known as deckle is also used for pastrami, but Langer only likes the smaller, fattier navel—”Lean pastrami is dry,” he says.» —“Great Pastrami Taste-Off Matches Sandwiches From L.A.‘s Top Delis” by Laurie Ochoa Los Angeles Times Aug. 6, 1989. (source: Double-Tongued Dictionary)