What is the meaning of the word "jactitate"?

Definitions:

  1. To boast or speak boastfully. copy to clipboard VERB
    • He would often jactitate about his noble lineage, much to the annoyance of his peers. copy to clipboard
  2. To move or toss about restlessly, often due to illness, discomfort, or agitation. copy to clipboard VERB
    • The feverish child continued to jactitate throughout the night, unable to rest peacefully. copy to clipboard

Synonyms: