{i} blow, whipping; (Medicine) apoplexy, sudden stoppage of blood flow to the brain; method of swimming (i.e. backstroke, etc.); light touch, caress; mark left by a writing implement
If someone has a stroke, a blood vessel in their brain bursts or becomes blocked, which may kill them or make them unable to move one side of their body. He had a minor stroke in 1987, which left him partly paralysed
damage to part of the brain that happens when the blood vessels supplying that part are blocked, such as when the blood vessels are clogged with fats (a condition sometimes called hardening of the arteries)
also known as a cerebrovascular accident (CVA); caused by a lack of blood to the brain, resulting in the sudden loss of speech, language, or the ability to move a body part, and, if severe enough, death
as of a steam engine or a pump, in which these parts have a reciprocating motion; as, the forward stroke of a piston; also, the entire distance passed through, as by a piston, in such a movement; as, the piston is at half stroke