Definition of "Henry" :

noun: United States physicist who studied electromagnetic phenomena (1791-1878)

noun: a leader of the American Revolution and a famous orator who spoke out against British rule of the American colonies (1736-1799)

noun: English chemist who studied the quantities of gas absorbed by water at different temperatures and under different pressures (1775-1836)

noun: a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second