(historical, weaponry) A small blade or spike on the rear end of a spear, used as a counter-balance and as backup if the spear broke.

A technique for joining pipes by heating the pipe ends and then fusing them through pressure.

(West Country, obsolete) An ox-drawn cart.

(West Country, obsolete) A horse- or ox-drawn cart, with runners instead of wheels, used for carrying dung.

(West Country, obsolete) A horse- or ox-drawn cart used for carrying dung. / (obsolete) A large cask used for holding fish offal.

fanny pack / (mountaineering) A seat attached to ropes on which a climber can sit while belaying.

plural of pain in the butt

(weightlifting) An error while performing a squat of bending the lower back and moving the pelvis in under the body.

(US, slang) A soreness or rash around the buttock area, resulting from a long period of sweaty activity such as running or cycling.

plural of butt bag