nonesuch

A person or thing without equal.

Formerly, a person or thing such as to have no parallel; an extraordinary thing; a thing that has not its equal.

Specifically— See blackseed, medic, and Medicago.

Lychnis Chalcedonica.

A variety of apple. Also spelled nonsuch.

A person or thing of a sort that there is no other such; something extraordinary; a thing that has not its equal. It is given as a name to various objects, as to a choice variety of apple, a species of medic (Medicago lupulina), a variety of pottery clay, etc.

model of excellence or perfection of a kind; one having no equal