The Collaborative International Dictionary of English v.0.48:

Snell \Snell\, a. [AS. snell; akin to D. snel, G. schnell, OHG.
   snel, Icel. snjallr valiant.]
   Active; brisk; nimble; quick; sharp. [Archaic or Prov. Eng. &
   Scot.]
   [1913 Webster]

         That horny-handed, snell, peremptory little man. --Dr.
                                                  J. Brown.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Snell \Snell\, n.
   A short line of horsehair, gut, etc., by which a fishhook is
   attached to a longer line.
   [1913 Webster]