noun. the head of a pin.
noun. an ignorant or foolish person.
Sentences with pinhead
Feed adults about every other day, giving them 40 to 50 fruit flies or pinhead crickets if the frogs are average in size; larger frogs might need more at a feeding.
2. Noun, singular or mass
Hold the pin in place by pressing down on the pinhead using the forefinger of your left hand.