Batarang

2 clues
Weapon for the Caped Crusader
Projectile thrown at Poison Ivy, perhaps
Similar answers:
Abatable
Aboomerang
Aclockworkorang
Aclockworkorange
Aclockworkorangecrush
Aclogworkorange
Acworkorange
Admiralrange
Agentorange
Agerange
Alaskarange
Albata
Alorange
Alsorang
Applesandoranges
Applesororanges
Arango
Arestrange
Armyranger
Arrange