English Dictionary

The act or right of purchasing before others.
Source : opted (119131)  - auto

The privilege or prerogative formerly enjoyed by the king of buying provisions for his household in preference to others.
Source : opted (119132)  - auto

The right of an actual settler upon public lands (particularly those of the United States) to purchase a certain portion at a fixed price in preference to all other applicants.
Source : opted (119133)  - auto