mile 
(mīl)
(mīl)n.
1. Abbr. mi. or mi A unit of length equal to 5,280 feet or 1,760 yards (1,609 meters), used in the United States and other English-speaking countries. Also called land mile, statute mile. See Table at measurement.
2. A nautical mile.
3. An air mile.
4. Sports A race that is one mile long.
5. A relatively great distance: had to walk for miles in the airport.
[Middle English, from Old English mīl, from Latin mīlia (passuum), a thousand (double paces), a Roman mile, pl. of mīlle, thousand; see gheslo- in the Appendix of Indo-European roots.]
- Indo-European root: pneu-
- Indo-European root: porko-
- Indo-European root: poti-
- Indo-European root: prek-
- Indo-European root: preus-
- Indo-European root: prī-
- Indo-European root: pā-
- Indo-European root: pāl-
- Indo-European root: pē(i)-
- Indo-European root: pō(i)-
- Indo-European root: pū̆-
- Indo-European root: pəter-
- Indo-European root: re-
- Indo-European root: reg-
- Indo-European root: rei-
- Indo-European root: reidh-
- Indo-European root: reig-
- Indo-European root: rep-
- Indo-European root: ret-
- Indo-European root: reudh-
- Indo-European root: reug-
- Indo-European root: reup-
- Indo-European root: reuə-
- Indo-European root: rē-
- Indo-European root: rēd-