1. (noun) the offspring who came first in the order of birth

• eldest

2. (adjective) first in order of birth

• eldest

1. (adjective) first in order of birth

• first

1. (noun) the offspring who came first in the order of birth

• issue
• offspring
• progeny

1. (noun) the offspring who came first in the order of birth

• eldest
• eldest

2. (adjective) first in order of birth

• eldest
• eldest