spiral
/ˈspaɪɹəl/ adjective B1- Helical, like a spiral.
Phrasal verbs and expressions
From the library
But these forces increase as we go higher, so that we have a spiral which in defiance of reason rests upon the apex and not on the base.
She grabbed a heavy brass key and marched up the winding spiral staircase.
Other matches
Learn spiral in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.