sign-on

1. (countable, uncountable)The username and password for logging in to a computer account.

2. (countable, uncountable)An attempt to log in.

3. (broadly, countable, uncountable)An instance of signing on to something.

4. (countable, uncountable)A person who signs on to something.

5. (countable, uncountable)A verbal script that is repeated at the start of every instance of something, as a form of greeting and identification.

6. (countable, uncountable)A signing bonus.

regular