Other spiders belonging to the same family as the New World tarantulas are the monkey spiders of Africa and the bird-eating spiders of Australia and New Guinea. Trap-door spiders and the dangerous funnel-web spider of Australia are also related to the theraphosids as members of Orthognatha.
5. origin-the source of something's existence or from which it derives or is derived; the rumor had its origin in idle gossip; vegetable origins; mineral origin; origin in sensation. source - (technology) a process by which energy or a substance enters a system; a heat source; a source of carbon dioxide.
[noncount] : the beginning or origin of something. 1  the birth of the solar system. 2  the birth of the blues. 3  We are witnessing the birth of a new era.