#53

n. fee for sending letters or packages by mail

n. path along which a fluid flows; direction in which a particle flows; aerodynamic shape

n. the level of monetary funding a company needs to run smoothly

n. back end; hindmost unit of an army (or fleet, etc.)

n. realization; carrying out; performing; putting into effect; execution

n. nourishment; substance which provides the body with nutrients; sustenance

n. attainment of something desired or attempted; accomplishment; prosperity

n. coins and paper notes which have value; currency; medium of trade; wealth

n. frequent customer; repeat customer

n. point at which something ends; edge; border; restriction; restraint