an inner circle of advisors (especially under President Reagan)(noun.group)
Example: He's no longer in the loop.
source: wordnet30
the basic pattern of the human fingerprint(noun.communication)
source: wordnet30
a computer program that performs a series of instructions repeatedly until some specified condition is satisfied(noun.communication)
source: wordnet30
the topology of a network whose components are serially connected in such a way that the last component is connected to the first component(noun.cognition)
A mass of iron in a pasty condition gathered into a ball for the tilt hammer or rolls.(noun)
source: webster1913
A fold or doubling of a thread, cord, rope, etc., through which another thread, cord, etc., can be passed, or which a hook can be hooked into; an eye, as of metal; a staple; a noose; a bight.(noun)