1. Plural of jactation; restless tossing or jerking movements of the body, especially during illness or sleep.
Usage: medical or formal; often used in clinical or literary contexts
2. Boastful or ostentatious displays; acts of showing off.
Usage: archaic or formal; rare in modern usage

Examples

• The patient's jactations during the fever made it difficult for her to rest.
• His jactations in the bed suggested he was experiencing significant discomfort.
• The medieval text described the saint's jactations as signs of spiritual struggle.
• Doctors noted the child's jactations as a symptom of the high fever.
• The speaker's jactations and self-promotion alienated the audience.
• Her constant jactations about her wealth grew tiresome to her friends.