Noun
mammoth (esp. the woolly mammoth, Mammuthus primigenius)
わたしたちの会社はマンモス会社で、繁雑な面を少くし能率を上げるために、改正あるいは撤廃すべき規則とか規約がいくつかある。Our firm is a giant one, and there are some rules and regulations, which should be revised or rescinded to reduce red tape and increase efficiency. Noun, used as a prefix
gigantic; huge; enormous; massive