caldo, broth, gravy.
calentar (ie), to warm, heat; —se la mollera or el caletre, to rack one's brain.
caletre, m., judgment, understanding; (fig.) head.
calibre, m., caliber, kind.
calidad, f., quality.
caliente, hot, warm.
caliginoso, dark, murky.
calma, calmness.
calmante, m., sedative.
calmar, to calm, comfort; —se, to become calm.