Definitions

1. proper noun

a diminutive form of the name Calliope or Calley, often used as a nickname

“Her friends started calling her Callie for short.”

2. noun

a female given name

“Her name tag read Callie, but she preferred to go by Caitlin.”

3. verb

to summon or invite someone to a phone call

“I’m going to callie you later to discuss the project.”