any land snail of the genus Achatina and related genera, mostly of tropical Africa, having shells up to 9 inches (23 cm) high.
noun 1. any squid of the genus Architeuthis, inhabiting deep ocean bottoms and sometimes attaining an arm span of 65 feet (20 meters) or more.
noun 1. a star having a diameter of from 10 to 100 times that of the sun, as Arcturus or Aldebaran. noun 1. any of a class of stars, such as Capella and Arcturus, that have swelled and brightened considerably as they approach the end of their life, their energy supply having changed Sometimes shortened […]
noun, (used with a singular verb) 1. a children’s game in which a leader calls upon individual players to advance toward him or her in a given number and variety of steps, the object being for one person to tag the leader and for all of them to run back to the starting line without […]
noun 1. a composite plant, Helianthus giganteus, of eastern North America, growing nearly 12 feet (4 meters) high and having very large yellow flower heads.