Illegal drugs such as marijuana, cocaine, and methamphetamine aren't the only drugs that are harmful to fetal development; Commonly used over-the-counter medicines, along with substances such as caffeine and alcohol, can have lasting effects on an unborn child.
A quadruped is an animal that normally walks or runs on four legs. The word comes from the Latin words quad (four) and ped (foot).A quadruped is a land mammal that walks on four feet.The term quadruped has its root in Latin language - quad meaning four, and ped meaning feet - so the term literally means four feet..umans, for instance, have four limbs, but only two of those limbs are used for walking, therefore humans fall into the category of a biped-an animal that uses two legs to travel. Notably, birds are also considered bipedal. The word quadruped is from the Latin words quad (four) and ped (foot).
An abbreviation for quadruple or four in many contexts, as in quad exhaust pipes. 1  Quad indicates four artillery guns in a single mounting. 2  Quad (more commonly Quads), four of a kind in poker.