1900, in the meaning defined above
yolk-sac placenta
yolk stalk
yolk yellow
“Yolk stalk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/yolk%20stalk. Accessed 24 Nov. 2024.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
See Definitions and Examples »
Get Word of the Day daily email!
Share