Definition of "Glad" :

noun: any of numerous plants of the genus Gladiolus native chiefly to tropical and South Africa having sword-shaped leaves and one-sided spikes of brightly colored funnel-shaped flowers; widely cultivated

adjective: cheerful and bright

"A glad May morning."

adjective: feeling happy appreciation

"Glad of the fire's warmth."

adjective: showing or causing joy and pleasure; especially made happy

"Glad you are here."

adjective: eagerly disposed to act or to be of service

"Glad to help."