Multilateral system. Multilateral system means any system or facility operated and/or managed by an investment firm or a market operator in which multiple third-party buying and selling trading interests in financial instruments are able to interact in the system.
Definition of kaka. : an olive-brown New Zealand parrot (Nestor meridionalis) with gray and red markings.
PKA may refer to: 1  p K a, the symbol for the acid dissociation constant at logarithmic scale. 2  Protein kinase A, a class of cAMP-dependent enzymes. 3  Pi Kappa Alpha, the North-American social fraternity.