Définitions
1.Nounplural of ten
2.NounAn inexact quantity or number, typically understood to be between 10 or 20 and 100."Our houses are tens of meters apart, so we don't have to worry about noise from our neighbours.; tens of thousands of voters"
3.NounA pair of tens.
4.NounThe period from a year ending in 10 to a year ending in 19 (mostly referring to the 1910s or 2010s); the teens, the oneties.
5.Noun↑ Susan Rothstein (2012), “Numericals: counting, measuring and classifying”, in Proceedings of Sinn Und Bedeutung, volume 16, number 2, page 536, n.5: “We can (marginally) say tens of people. We can certainly say tens of thousands of people”