plural of special retainer

(law) A fee paid to counsel for work on a particular case.

(law) A fee paid to secure a priority of claim on a counsel's services.

(accounting) The amount of net income left over for a business after it has paid out dividends to its shareholders.

(rail transport, mechanical engineering) A device that retains some air pressure in a train's air brake cylinders even when the automatic brake valve is set to the fully-released position, used on steep downgrades to allow a degree of continuous braking effort to be maintained without depleting the pressure in the train's brakepipe (which would result in the loss of nearly all braking ability, causing a runaway).

plural of retaining valve

plural of retainage

An amount of money held back from a payment as insurance against the work not being completed.

(archaic) second-person singular simple present form of retain

(archaic) Third-person singular simple present indicative form of retain