What is the meaning of Snell?

Quick, smart; sharp, active, brisk or nimble; lively.

Quick-witted; clever.

Harsh, severe, or stinging.

Alternative form of snelly.

A short line of horsehair, gut, monofilament, etc., by which a fishhook or lure is attached to a longer (and usually heavier) line.

To tie a hook to the end of a fishing line with a snell knot.

lively, quick, rapid, strong

keen, ready

Source: wiktionary.org