hectometer

or hek·to·me·ter

[ hek-tuh-mee-ter ]
/ ˈhɛk təˌmi tər /

noun

a unit of length equal to 100 meters, or 328.08 feet. Abbreviation: hm
Also especially British, hec·to·me·tre.

Origin of hectometer

From the French word hectomètre, dating back to 1800–10. See hecto-, -meter