rim
An edge around something, especially when circular.
Other meanings
A semicircular copydesk.
The narrow surface of wine that meets the glass when it is tilted, used in identifying the age, body, etc.
Word history
From Old English "rima" (rim, edge, border, bank, coast).
Where this comes from
This definition is adapted from “rim” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.