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."