資料來源 : pyDict

噴火口狀的,漏斗狀的,似火山口的

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Crateriform \Cra*ter"i*form\ (kr?-t?r"?-f?rm), a. [L. cratera +
   -form.] (Bot.)
   Having the form of a shallow bowl; -- said of a corolla.