To bring (something) into practice.
To cause (someone) to be acquainted (with someone else).
To add (something) to a system, a mixture, or a container.
To make (something or someone) known by formal announcement or recommendation.
To take part in primal therapy.
A primal cut (of meat).
Being the first in time or in history.
Of greatest importance; primary.
Being one of the pieces of meat initially separated from the carcass during butchering, prior to division into smaller cuts.