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.
Make a preliminary trip to the post office to get a certified mail form and receipt. If you send out certified letters on a regular basis, pick up multiple certified-mail forms. You may also use an online service that offers certified mail forms or envelopes for purchase.