As used in this chapter, unless the context or subject matter requires otherwise, the following terms shall have the meanings indicated:
Includes barter or exchange and any offering or exposing for sale or possession with intent to sell.
Weights and measures of every kind, instruments and devices for weighing and measuring, and any appliances and accessories used with any or all such instruments and devices, except meters for the measurement of electricity, gas (natural or manufactured) or water when the same are operated in a public utility system.