Plegometer : plego METER (ple gomâ e ter) n. An instrument for measuring and recording the force of blows 13. Speedometer : speedo METER (spe domâ et er) n.
Best Answer: A certified letter is sent by a person or a business when they want to mail important information and be sure that it was received. It's not usually a good thing. Collection agencies send them, people involved in legal cases send them, etc... If you won a sweepstakes you would get them.
If you mail the letter, you should send it by certified mail, return receipt requested, restricted delivery, so that you can prove that the person got it. If you think that the person might not accept certified mail, it may be best to send the notice by both certified and regular mail.