The phrase "a kind of weapon" is correct and usable in written English.
You can use it when describing something that functions similarly to a weapon or has characteristics of a weapon, but may not be a traditional weapon.
Example: "The new technology is considered a kind of weapon in the fight against cybercrime."
Alternatives: "a type of weapon" or "a form of weapon".
Even the word 'ambitious' is used as a kind of weapon, and has a negative connotation in a woman's story". She saw it for years, and still does.
It did damage to the post, and it gave a kind of weapon to people who want to beat up poetry in general.
Duke sees photography as a kind of weapon in the culture wars, and in a way, it may be the perfect medium for a movement like the alt-right, which wants to refashion reality on its own terms.
Wallace's argument was that Federer's greatness lay in the way he turned compositional beauty into a kind of weapon, in the way he transcended the limits of the human body and the speed at which we think.
Temple's fellow child star Jane Withers observed that her films were intended as propaganda ("Mothers especially would take their kids to say, 'Now, this is what you should be!'"), but what they really taught us was that adorability is a kind of weapon.
His self-loathing is part of the act: he's the accidental visitor, a misfit whose regular-guy, Midwestern affect has always been a kind of weapon, forcing the famous and fabulous to justify their existence whenever they grabbed a chair on "The Late Show".
Titled "Live Evil," it suggests a kind of weapon-twirling Kabuki cyborg or a Cubist bodhisattva and is superbly cross-cultural and in a visual, instantly accessible manner.
In turning away a case from a Chicago suburb, the justices decided they would not pass judgment on a kind of weapons ban that is also in place in seven states.
At points, the responses devolved into a kind of weapon-lovers' chat room, with posters gushing that "Those O3A3s are pretty fine rifles" and "I have them all the way from Flintlocks to Semi-auto".
Physical violence was defined as hitting, biting, throwing objects, strangling, pushing around, kicking, dragging on the floor, pushing against the wall, beating with a stick, threatening an individual with a gun, a knife, or any kind of weapon.
Still, there were scenarios seriously discussed by both sides — similar to scenarios discussed by American and Soviet generals back in the nineteen-fifties, before mutually assured destruction was established as the premise of deterrence — in which nuclear weapons would be a kind of battlefield weapon.
