A knife is used for cutting food. There are many different kinds of knife. Blunt knives are used for spreading butter, and very big sharp knives are used for cutting up roast meat.
Midwives offer care to pregnant women through their pregnancy, the delivery of their babies and for some time after the birth. Compared to obstetricians, midwives generally take care of women with low-risk pregnancies, and strive to help women have a natural birthing experience and try to intervene as little as possible.
A rifle is a type of weapon that is designed to be fired while supported by your shoulder, unlike small guns which are simply held in your hand. Rifles are most often used for hunting, or by the military. Older rifles could only fire one bullet at a time, some modern rifles fire in bursts, or can fire continuously.
Trifle is a dessert made from layers of fruit, jello, custard and sponge cake, often topped with cream.