But in this case, it's apparently not used for defence.

Some believe they may also have been used for defence in an emergency.

It can also be used for national defence.

It is a rigid forward extension of the carapace, and can be used for attack or defence.

Though they have powerful legs and claws they don't use them for defence.

The oil is also fed to their young, as well as being used for defence.

The table shows the unusually large share of social product used for national defence and administration.

Their current weapons are used extensively in sport competitions and for personal defence.

There is no evidence that the building was ever used for defence.

This was also the last fort he used for defence in his struggle to rebel against the British.