dessert spoon

from The Century Dictionary.

• noun A spoon intermediate in size between a table-spoon and a tea-spoon, used for eating dessert.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Alternative spelling of dessertspoon.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a spoon larger than a teaspoon and smaller than a tablespoon
• noun as much as a dessert spoon will hold