Cardo

( Arch.) A pivot and socket apparatus, by which the doors of the ancients were fixed in their places, and made to revolve in opening and shutting. Of beryl, and careering fires between."-- Milton . Careful, a. Provident; diligent to provide for; -often preceding of or for; as, careful of children. "What could a careful father more have done?"-Dryden. as, a careful countenance. "Slumber embrace me in thy leaden arms, And charm my careful thoughts."- Denham . -Heedful; watchful; attentive; cautious; using care; as, a careful operator. (Sometimes followed by of.) "It concerns us to be careful of our conversations."-Ray. Carefully, ( kar'ful - li,) adv. With solicitude or anx iety; in a manner betokening care. "Envy, how carefully does it look! how meagre and ill-complexioned!"- Collier. -In a careful, heedful, watchful manner; providently; vigilantly; as, work carefully performed. "You come most carefully upon your hour."- Shaks .