'Club-shaped' definitions:

Definition of 'club-shaped'

(from WordNet)
adjective
Shaped in the form of the black trefoil or clover leaf on some playing cards
adjective
Shaped in the form of a club that is larger at one end

Definition of 'Club-shaped'

From: GCIDE
  • Club-shaped \Club"-shaped\, a. Enlarged gradually at the end, as the antenn[ae] of certain insects. [1913 Webster]