To lie down to sleep, put oneself in one's bed. / (printing) Of a newspaper: to finish being prepared for printing.

(no longer productive) apart, away, asunder, in pieces; expressing separation, negation, or intensity.

(rare, dialectal or no longer productive) to, toward, at, or on (this).

(idiomatic, chiefly US) To deal with the important details.

(business) A process or program to design a product or service to an optimum cost to value ratio.

(computer science) an object that describes the security context of a process or thread, such as the user's identity and privileges.

(baseball) Preparing to have or having one's turn to attempt to hit the ball.

Alternative form of it's all Greek to me

Used other than figuratively or idiomatically: see go, to, work. / To begin performing some task or work. / To go to one's job, as by commuting. / (idiomatic) To beat up, to batter.

Alternative form of to each his own