snail 
/ˈsneɪl/ noun
plural snails /ˈsneɪl/ noun [count] : a small animal that lives in a shell that it carries on its back, that moves very slowly, and that can live in water or on land
at a snail's pace
: very slowly
▪ The work is progressing at a snail's pace.
▪ The work is progressing at a snail's pace.
