a machine used in hospitals to help detect diseases or other problems with the human body
The Royal Berkshire Hospital has begun treating patients with an advanced full body scanner which is the first of its kind in the UK.
an electronic security device. These are often used at airports, and are capable of seeing through passengers' clothes to detect weapons and other prohibited items.
Gatwick Airport's head of security has said that full body scanners will be brought in there following the failed attempt to blow up a passenger aircraft on Christmas Day.