noun
shield volcano
A broad, gently sloping volcano built by fluid lava flows. Technical term used in geology.
ハワイのマウナロアは代表的な楯状火山です。
Mauna Loa in Hawaii is a typical shield volcano.
A stratovolcano with steep, conical shape, unlike the broad, gently sloping shield volcano.
Compound of 楯状 (shield-shaped) and 火山 (volcano), a calque of English 'shield volcano'.