group. put the nine definitions around the classroom. one student from each group has to go and find the correct definition for one of the group’s words. s/he brings the definition over to the group and they all write it down. another student goes to find the definition for word 2 and another for word 3. when the three groups have their three definitions, make new groups of three with an a, b and c student in each. they teach each other their words and all students make a note of the words and definitions.
the final stage is to check that all students understand all the words with a quick 