Iambic or anapestic (in this case) trimeter (for the first two lines here) in English verse usually is read as if the line continued for another (silent) foot. In the scansion below, that hypothetical continuation is included, and the final stress is underlined and marked in red. What do we call this?
* * / *
* / * *
/ * (*) (/)
Ave you 'eard o' the Widow at Windsor
* * / * *
/ * *
/ (*) (*) (/)
With a hairy gold crown on 'er 'ead?
She 'as ships on the foam -- she 'as millions at 'ome,
An' she pays us poor beggars in red.
--Kipling