Dictionary

Ruling; governing; prevailing

Example: The dominant party controlled the government.

Predominant, common, prevalent, of greatest importance.

Example: The dominant plants of the Carboniferous were lycopods and early conifers.

Designating the follicle which will survive atresia and permit ovulation.

The late period of the Roman Empire, following the principate, during which the emperor's rule became more explicitly autocratic and remaining vestiges of the Roman Republic were removed from the formal workings of government; the reign of any particular emperor during this period.

To govern, rule or control by superior authority or power

To exert an overwhelming guiding influence over something or someone

To enjoy a commanding position in some field

To overlook from a height.