Crabstick

crab + stick (crab being the tree species)

Full definition of crabstick

Noun

1. A cudgel, originally made of the wood of a crabapple tree, hence any similar club.
2. A crabby, ill-tempered person.

crab("the sea creature") + stick

Noun

1. A processed food, made of surimi to somewhat resemble the legs of a crab.