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.
Certified mail is a special service mail that provides the sender proof of billing and delivery, with a copy of the recipientâs signature upon delivery. A priority or first class mail can be sent as certified mail and is given a unique tracking number that serves as receipt and official record of mailing.