boattail

noun
\ ˈbō(t)ˌtāl \

Definition of boattail 

(Entry 1 of 2)

2 : the part of an artillery projectile in the rear of the rotating band when shaped like the inverted frustum of a cone

boattail

adjective
\ " \
variants: or less commonly boat-tailed \ˈ⸗¦⸗ \

Definition of boattail (Entry 2 of 2)

1 : tapered at the back end like the stern of a boat a boattail bullet a boattail ski

2 [ 1boattail ] : of, relating to, or having a boattail bullets of the boattail type

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