A central cohesive source of stability and security; a person or thing that is critical to a system or organisation.
A pin inserted through holes at the end of an axle or shaft, so as to secure a wheel or shaft-mounted device.
To adopt as, or serve as, a central cohesive source of stability and security.
Substantiality; solidity; firmness.
Physical matter; material.
Material possessions; estate; property; resources.
Hypostasis.
Drugs (illegal narcotics)
The essential part of anything; the most vital part.
A form of matter that has constant chemical composition and characteristic properties.
To give substance to; to make real or substantial.