one-year-old
nounEtymology From one + year + old.
1
A child or animal that is one year of age.
- Synonyms
- yearling
one-year-old
adjEtymology From one + year + old.
1
Having lived or existed for one year.
- a one-year-old car
- Synonyms
- year-old
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.