mer

noun2

1. •
   [plural only] merpeople

   • There are mermaids and mermen everywhere. They swim above us and linger in nooks and arched doorways. It's impossible not to stare. The mer are as diverse as humans—all ages, size, shape, and color. — 2013
2. •
   A repeat unit: a structural unit which through repetition forms a polymer.

   • A polymer is a compound formed of repeating structural units called mers, whose atoms share electrons to form very large molecules. — 2010

noun1

1. •
   A member of a particular caste from the Saurashtra region of Gujarat, India.