any arrangement, part, object, or formation more or less resembling a rose.

a rose-shaped arrangement of ribbon or other material, used as an ornament or badge.

Also, rosace. an architectural ornament resembling a rose or having a generally circular combination of parts.

Botany . a circular cluster of leaves or other organs.

a broad ornamental head for a screw or nail.

Metallurgy .

any of a number of disks of refined copper formed when cold water is thrown onto the molten metal.

a rounded microconstituent of certain alloys.

Plant Pathology . any of several diseases of plants, characterized by the crowding of the foliage into circular clusters owing to a shortening of the internodes of stems or branches, caused by fungi, viruses, or nutritional deficiencies.

one of the compound spots on a leopard.