Weapon offensively loud son pulled out (7)

I believe the answer is:

trident

I'm a little stuck... Click here to teach me more about this clue!

'weapon' is the definition.
(trident is a kind of weapon)

I don't understand how the remainder of the clue works.

(Other definitions for trident that I've seen before include "Britannia's weapon" , "Submarine missile" , "Spear with three prongs" , "Neptune's or Britannia's spear" , "A three-pronged spear as wielded by Neptune" .)

I've seen this clue in The Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.