|1.||to measure the calibre of (a gun, mortar, etc)|
|2.||to mark (the scale of a measuring instrument) so that readings can be made in appropriate units|
|3.||to determine the accuracy of (a measuring instrument, etc)|
|4.||to determine or check the range and accuracy of (a piece of artillery)|
|a chattering or flighty, light-headed person.|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
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