Keywords: tortoise, turtle
As a Noun
1. A slow-moving animal with a large, hard shell over its body. It can pull its head and legs into the shell in order to protect them. English = tortoise.
2. A large reptile which has a thick shell covering its body and which lives in the sea most of the time. English = turtle.
As a Verb or Adjective
1. Of a tortoise (or turtle), to move.