lion noun ▶ The lion is the king of the African savanna. elephant noun ▶ A huge elephant walked slowly past the visitors. giraffe noun ▶ The tall giraffe reached the leaves on the top branch. zebra noun ▶ A zebra has black and white stripes all over its body. hippo noun ▶ The hippo stayed in the cool water all afternoon. monkey noun ▶ A clever monkey climbed and swung from tree to tree. ostrich noun ▶ An ostrich is a bird, but it cannot fly at all. roar verb ▶ The big lion roars loudly to warn the other animals.