[snail] n [ME, fr. OE snaegl; akin to OHG snecko snail, snahhan to creep] (bef. 12c) 1: a gastropod mollusk esp. when having an external enclosing spiral shell
2: a slow-moving or sluggish person or thing -- snail.like adj
[2]snail vi (1582): to move, act, or go slowly or lazily