to give, take, or procure insurance on (a property, etc) or for (an owner)
(+ against) to protect (somebody) from something unpleasant
chiefly NAmer to ensure (something)
to contract to give or take insurance, specif to act as underwriter
insurability /-ʹbiliti/ noun
insurable adj
insurer noun
[Middle English insuren, prob alteration of assuren: see assure]