Trademark
Part of speech: noun
Definition: A word, symbol, or phrase used to identify a particular company's product and differentiate it from other companies' products. Indicated by the symbol ™, when registered with a government authority it is sometimes indicated by the symbol ®.
Part of speech: verb
Definition: To register something as a trademark. To so label a product.
Example sentence: The ideal trademark is one that is pushed to its utmost limits in terms of abstraction and ambiguity, yet is still readable.
Earmark
Part of speech: verb
Definition: To specify or set aside for a particular purpose.