- Today's Word
Semaphore
SEM-uh-for
Definition
- (Noun) A system of signaling using flags, lights, or hand movements.
- (Verb) To communicate using such signals.
Example
The sailors used semaphore to convey messages between ships without radios.
Fun Fact
Semaphore was widely used in maritime communication and railway signaling before modern technology. The famous Semaphore Flag Signaling System is still taught in some military and scouting organizations today—so next time your phone dies, maybe it’s time to brush up on your flag-waving skills!
(noun) The ability to make quick, smart judgments and decisions; keen insight and shrewdness.
Her financial acumen was evident from the start — within six months of joining the firm, she had identified three inefficiencies that had gone unnoticed for years.
Acumen comes directly from the Latin acumen, meaning “sharpness” or “a point,” derived from acuere — “to sharpen.” The same root gives us acute, acupuncture, and acuity — all words carrying the sense of something pointed, precise, and penetrating. It entered English in the 16th century, originally used to describe mental sharpness before settling into its modern sense of shrewd, practical judgment.