1. noun /ˈspaɪɹəl/
a) A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.
b) A helix.
2. adjective /ˈspaɪɹəl/
helical, like a spiral
3. verb /ˈspaɪɹəl/
a) To move along the path of a spiral or helix.
The falling leaves spiralled down from the tree.
b) To increase continually.
Her debts were spiralling out of control.
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