monogram – a design based on someone's initials, usually marked on things they own

(Pronounced mon-uh-gram)

To remember the definition of the word monogram, use the following mnemonic:

Even on his monocle, my gramps (monogram) had etched his initials in a fancy design. 

Examples of monogram in a sentence

The monogram he designed was so elaborate, you could barely tell what the initials were.

Her solid gold monogramed toilet seat seemed like a huge waste of money. 

The hidden monogram on the antique proved it was genuine.