suckling
An infant that is still being breastfed (being suckled) by its mother.
Other meanings
A young mammal not yet weaned and still being fed milk by its mother.
The act of suckling.
Word history
From Middle English "sukling".
Where this comes from
This definition is adapted from “suckling” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.