Unscramble

m 3 a 1 i 1 n 1 s 1 p 3 r 1 i 1 n 1 g 2

10 letters · 15 points in Scrabble

Meaning

noun the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism

originFrom main + spring. For figurative sense, compare spring (“source, origin”).

Etymology from Wiktionary, CC BY-SA 3.0

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