cô

noun

1. a paternal aunt (father's sister)

pronoun

1. I/me, your paternal aunt

2. I/me, a woman who's (presumably) slightly younger than either of your parents

3. you, my paternal aunt

4. you, a woman who's (presumably) slightly younger than either of my parents

noun

1. short for cô giáo (“female teacher”)

pronoun

1. I/me, your older female teacher

2. you, my older female teacher

3. you, my or my child's female teacher who's (presumably) as old as or younger than me

4. you, my child's female teacher who's (presumably) slightly older than me

pronoun

1. I/me