Reg·is·ter·ing, a. Recording; -- applied to instruments; having an apparatus which registers; as, a registering thermometer. See Recording.
Reg·is·ter v. t. [imp. & p. p. Registere p. pr. & vb. n. Registering.]
1. To enter in a register; to record formally and distinctly, as for future use or service.
2. To enroll; to enter in a list.
Such follow him as shall be registered. --Milton.
3. Securities To enter the name of the owner of (a share of stock, a bond, or other security) in a register, or record book. A registered security is transferable only on the written assignment of the owner of record and on surrender of his bond, stock certificate, or the like.
Registered letter, a letter, the address of which is, on payment of a special fee, registered in the post office and the transmission and delivery of which are attended to with particular care.