Having the form of a lozenge or rhomb; by extension, square but set diagonally. Compare lozengy.
The Century Dictionary (Public Domain)
Use "lozenge-shaped" in a sentence
"Place the lozenge-shaped cookies on the baking sheet leaving a little space between each."
"Pan dei Morti is an intriguing confection, a lozenge-shaped cookie smothered under a layer of white powdered sugar like snow covering the rich, dark earth, a pastry infused with a multitude of flavors; cocoa, cinnamon, nuts, wine weave in and out of each mouthful, tickling your taste buds and then vanishing, making way for the next, each flavor distinct yet balanced and blended together into one surprising taste."
"The most obvious example of symbiogenesis comes in the form of little lozenge-shaped structures called mitochondria."