Chapter Regardable to Register of R by Webster's Dictionary (1913 Edition)

Register
(Reg"is*ter), v. i.

1. To enroll one's name in a register.

2. (Print.) To correspond in relative position; as, two pages, columns, etc. , register when the corresponding parts fall in the same line, or when line falls exactly upon line in reverse pages, or (as in chromatic printing) where the various colors of the design are printed consecutively, and perfect adjustment of parts is necessary.