boll weevil(n = noun.animal) anthonomus grandis - greyish weevil that lays its eggs in cotton bolls destroying the cotton;
is a kind of weevil
is a member of anthonomus, genus anthonomus

bean weevil, black weevil, boll, flour weevil, heinrich boll, heinrich theodor boll, pea weevil, rice weevil, seed weevil, weevil