Nail is defined as a thin tough covering that grows from the tips of the fingers and toes.(noun)
An example of a nail is what would be cared for and painted during a manicure.
The definition of a nail is a narrow piece of metal with a sharp point and usually with a flat head used for holding things together or hanging objects.(noun)
An example of a nail is what someone would hammer into the wall in order to hang a picture.
Nail means to attach or join.(verb)
An example of to nail is joining two pieces of wood together while building a table.
See nail in Webster's New World College Dictionary
Origin: ME naile < OE nægl, akin to Ger nagel < IE base *onogh, nail > Sans áṅghri-, foot, Gr onyx, nail, L unguis, fingernail
Origin: ME nailen < OE mæglan
See nail in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English nǽgl, fingernail, toenail; see nogh- in Indo-European roots.
left to right: common, finishing, ring, and roofing nails
Learn more about nail