ceilometer
Noun
Meaning
ceilometer (plural ceilometers)
A device that measures the altitude of the cloud base, especially above an airfield.
Examples
The undercloud often uses OpenStack projects such as Keystone, Ironic, Neutron, Glance, Heat, Ceilometer, Mistral for workflow services, the Zaqar multi-tenant cloud messaging service, and Swift to store OpenStack Platform components.