ひとりむすこ
Composed of
one person; being alone; being by oneself; being single; being unmarried; by oneself
son; penis
Examples (7 in total)
Tom has a son.
She mourned the death of her only son.
We named our only son Tom after my grandfather.
Her only son died in the war.
It was a great tragedy for them to lose their only son.
Here is her letter asking us to take care of her only son.
All his hopes evaporated when he lost his only son in the war.