Carrier. A vessel, vehicle, or aircraft seized under 49 U.S.C. Chapter 11 for having been used to transport, carry, or conceal a contraband firearm or contraband cigarettes. Vessels, vehicles, or aircraft seized under other provisions of applicable laws shall be considered personal property.
27 CFR § 72.11
As used in this part, unless the context otherwise requires, terms shall have the meanings ascribed in this section. Words in the plural form shall include the singular, and vice versa, and words importing the masculine gender shall include the feminine. The terms includes and including do not exclude things not enumerated which are in the same general class.