the walnut
Marquis is the name of a shaped cut of a gem-stone quality diamond.
From the diamond-shaped patterning on its skin ! See related link for a picture.
The cashew nut is both kidney-shaped and edible.
A kidney shape nut is a cashew nut. This is considered to be a riddle.
It is called a Lozenge.
A diamond-shaped poem is called a "diamond poem" or a "diamond shaped poem."
There are many places where one can purchase a heart shaped diamond. A heart shaped diamond can be purchased at many popular stores such as Zales and Kay Jewelers.
Pentatomids are diamond-shaped, small insects that can so infest plants that their numbers seem to reach millions. The name comes from the Greek for "five-sectioned" as a description of the diamond- or shield-shaped bugs. Shield and stink bugs represent common names for the scientific term pentatomid.
The other name for checker-plate is diamond plate. It is a type of lightweight, durable metal sheet with a raised, diamond-shaped pattern on one side.
Smurfit stone building, now the Crain's Communication Tower
Calf
The character with a head shaped like a nut in "The Canterbury Tales" is the Summoner. In the General Prologue, Chaucer describes the Summoner as having a face that resembled a nut or a red cherub.