The definition of claustrophobia is a fear of being in enclosed or confined places.
A feeling of panic when stepping into an elevator is an example of claustrophobia.
an abnormal fear of being in an enclosed or confined place
Origin of claustrophobia; from Classical Latin claustrum (see cloister) + -phobia
An abnormal fear of being in narrow or enclosed spaces.
Origin of claustrophobiaLatin claustrum, enclosed place; see cloister + –phobia.