glass, Martini
From The Oxford Companion to Spirits & Cocktails
, is a name commonly used for the classic stemmed cocktail glass with the inverted-cone bowl—a usage that has led to drinks served in such a glass but bearing no resemblance to an actual Martini falling under its rubric on cocktail menus. See also glass, cocktail; glassware;, Martini.
This definition is from The Oxford Companion to Spirits & Cocktails, edited by David Wondrich (Editor-in-Chief) and Noah Rothbaum (Associate Editor).