verb (used without object), spi·raled, spi·ral·ing or (especially British) spi·ralled, spi·ral·ling.
verb (used with object), spi·raled, spi·ral·ing or (especially British) spi·ralled, spi·ral·ling.
- spiral arm,
- spiral bandage,
- spiral bevel gear,
- spiral binding,
- spiral canal of cochlea
Origin of spiral
Examples from the Web for spiral
The now-convicted felons will hear their sentences in January, but their story continues to spiral downward.
Leung, however, has criticized Occupy Central for allowing the protests to spiral out of control.
Case in point: the spiral galaxy NGC 5548, which astronomers have been monitoring off and on for decades.
Sometimes if parents set too many boundaries and discipline too much, they will then also rebel and spiral out of control.Are Parents to Blame for Their Spoiled Rotten RugBrats?|Keli Goff|March 10, 2014|DAILY BEAST
Even as Erdogan talked tough on the protests, however, the situation around Taksim threatened to spiral further out of control.
Ornaments have free endings, bent in spiral, snail-shell coils.Jewellery|H. Clifford Smith,
Keeping on the outside, he commenced walking the animal in a spiral ring that gradually closed in upon the clump.The Scalp Hunters|Mayne Reid
A genus of tube-inhabiting Annelides, in which the shelly tube is coiled into a spiral disc.The Ancient Life History of the Earth|Henry Alleyne Nicholson
These large rich spots are elongated and are placed parallel to the long axis of the egg, showing but little tendency to spiral.Life Histories of North American Shore Birds, Part 1 (of 2)|Arthur Cleveland Bent
This rough cutting edge imparts just such a roughness to the spiral groove.The Arrow of Fire|Roy J. Snell
verb -rals, -ralling or -ralled or US -rals, -raling or -raled
Word Origin for spiral
1550s, from Middle French spiral, from Medieval Latin spiralis "winding, coiling" (mid-13c.), from Latin spira "coil," from Greek speira "coil, twist, wreath," from PIE *sper- "to turn, twist." Spiral galaxy first attested 1913.
1726 (implied in spiraled), from spiral (n.). Transferred and figurative sense by 1922. Related: Spiraling.
1650s, from spiral (adj.). U.S. football sense is from 1896.