noun: (UK military) Initialism of breechloader. [A variety of firearm in which the weapon is loaded from the breech (the end opposite that which discharges the projectile).]
adjective: (UK military) Initialism of breechloading. [Describing a breechloader gun: one that has ammunition loaded from the rear of the barrel rather than where it will exit.]
noun: Initialism of boys' love (“yaoi media”). [a genre of fictional media originating in Japan that features homoerotic relationships between male characters; yaoi]