We found one dictionary that defines the word downspins:

General (1 matching dictionary)

1. downspins: Dictionary.com

(Note: See downspin as well.)

Definitions from WordNet (downspin) ▸ noun:  a swift and dangerous downturn ▸ Also see downspin ▸ Words similar to downspins ▸ Usage examples for downspins ▸ Idioms related to downspins ▸ Wikipedia articles (New!) ▸ Popular adjectives describing downspins ▸ Words that often appear near downspins ▸ Rhymes of downspins ▸ Invented words related to downspins