The adjective amygdaloid (literally 'like an almond, almond-like') is used to describe objects which are roughly almond-shaped, particularly a shape which is part way between a triangle and an ellipse. The edible part of the almond is actually a seed from a drupe, a fruit in which the outer shell and hull layers are typically not eaten. After extracting the almond seed, the shells and hulls are often used Ò€¦

The almond nut is a seed from the almond fruit called a drupe, with a brown, leathery shell that hardens.