functĭo (noun F) : fungor
* A performing, executing, discharging; a performance, execution.
* In gen. (Ciceron., but very rare): labor est functio quaedam vel animi vel corporis gravioris operis et muneris,Cic. Tusc. 2, 15, 35: ut iis jucundior esset muneris illius functio,Cic. Verr. 2, 3, 6, § 15.—*
* Transf., of things: functionem recipere per solutionem,i. e. perform the part, supply the place of,Dig. 12, 1, 2, § 1.
* In partic. (post-class.).
* Payment of taxes, Cod. Just. 8, 54, 4; 10, 22, 3.
* An ending, end (of life), death: inevitabilis,Arn. 2, 78: mortalium,id. 2, 104.

s. TLL