Assertion: dall sheep's horn | /r/Synonym | annuli
Facets:
Source sentences:
text: The horns are made of keratin, the same material our fingernails are made of; growth rings on the horns, called annuli, tell us how old a sheep is.
text: The horns are made of keratin, the same material our fingernails are made of; growth rings on the horns, called annuli, tell us how old a sheep is.