spiral

US /ˈspaɪrəl/

UK /'spaɪrəl/

B2
n.NounA continuous curve round a central point
The steps went up in a spiral around the center pole
v.i.Intransitive VerbTo move in a continuous curve round a point
The bird will spiral around the food
adj.AdjectiveCurved in a continuous circle
There is a spiral staircase to go up after this floor

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