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.
Cot death or crib death is sudden and unexpected death of a baby within 1 year of age. In most cases the reasons for death after a post-mortem examination remain unexplained and the death may be registered as sudden infant death syndrome (SIDS), sudden infant death, or sudden unexpected death in infancy (SUID).