She said, “Go to Learners Dictionary dot com [=the Web site www.learnersdictionary.com] for more information.”
She arrived at 3 o'clock 'on the dot'. = She arrived 'on the dot of' 3. [=she arrived exactly at 3 o'clock]
We need some extra time to 'dot the i's and cross the t's' on the report.
(..) Jay, ain't seen you in a while. Did you peep that drop-top thing out front? My business is banging, dog. You gotta check out the website. It's Jeebsie dot... Okay, whoa. He's retired, right? We need the deneuralyzer. - You're kidding. - The metre's running, Jeebs. Do you remember me? (..)2002 Men in Black II