jab
UK[dʒæb]US[dʒæb]
v
to push something with a sudden, quick movement, especially with a pointed object
n
a quick, hard push or hit with something pointed or with your fist
n
an injection given with a needle, especially a vaccination
Etymology
the word 'jab' first appeared in scottish english during the early 19th century. it is believed to be an imitative or expressive formation, mimicking the sound or sensation of a quick, sharp poke or thrust. this origin connects directly to its core modern meanings of a sudden, pointed push or a quick punch. the semantic extension to mean a medical injection, particularly a vaccination, is a 20th-century development, metaphorically drawing on the quick, piercing action of a hypodermic needle.
Analysis
the word 'jab' is a simplex word of likely onomatopoeic or imitative origin. it is not productively formed from distinct, separable morphemes in modern english.
Examples
she jabbed me in the ribs with her elbow to get my attention.
the boxer won the match with a powerful left jab to his opponent's jaw.
i need to book my flu jab before the winter season starts.