Their stems are typically flattened, almost leaf-like in appearance, with fewer or even no spines, such as the well-known Christmas cactus or Thanksgiving cactus (in the genus Schlumbergera). Cacti have a variety of uses: many species are used as ornamental plants, others are grown for fodder or forage, and others for food (particularly their fruit).
1 Car of Tomorrow, a car design used in NASCAR racing. 2  Cost of transport, an energy calculation. 3  Cotangent, a trigonometric function, written as cot.  Cotyledon, a significant part of the embryo within the seed of a plant.
Cottaging is a gay slang term, originating from the United Kingdom, referring to anonymous sex between men in a public lavatory (a cottage, tea-room), or cruising for sexual partners with the intention of having sex elsewhere.