wafer

A light, thin, flat biscuit/cookie.

• I was at the Mathematical School, where the Maſter taught his Pupils after a Method ſcarce imaginable to us in Europe. The Propoſition and Demonſtration were fairly written on a thin Wafer, with Ink compoſed of a Cephalick Tincture. This th

A thin disk of consecrated unleavened bread used in communion.

A soft disk originally made of flour, and later of gelatin or a similar substance, used to seal letters, attach papers etc.

• The house supplied him with a wafer for his present purpose, with which, having sealed his letter, he returned hastily towards the brook side, in order to search for the things which he had there lost.

A thin disk of silicon or other semiconductor on which an electronic circuit is produced.

To seal or fasten with a wafer.transitive

• [M]y Father, who knew he was well, wafered the paragraph upon a sheet of paper, and sent to his Lodgings.