giant reed
— Noun
– English
～ large rhizomatous perennial grasses found by riversides and in ditches having jointed stems and large grey-white feathery panicles
Great Barrier Reef
— Noun
– English
～ the largest coral reef in the world; in the Coral Sea off the northeastern coast of Australia
gag reflex
— Noun
– English
～ normal reflex consisting of retching; may be produced by touching the soft palate in the back of the mouth