To Enter Your User Name and Password on a Website
This page is the CodyCross answer for the clue below from Casino, Group 271, Puzzle 5 (Ida Summers).
Question is: To Enter Your User Name and Password on a Website
and the answer is: SIGNIN
Word Meaning:
SIGN IN — (idiomatic) To sign one's name on a list when entering a place, to indicate one's arrival.
Definitions from Wiktionary.