pup

https://doi.org/10.1351/goldbook.11159
  1. (n) Young or newborn dog, rat or seal.
  2. (v) Give birth to a pup.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 798 (https://doi.org/10.1515/pac-2015-1202)