hummingbird/ˈhʌmɪŋˌbɜɹd/EtymologyFrom humming (noun) + bird, in reference to the humming sound made by the rapidly moving wings.hummingbird means Any of various small American birds in the family Trochilidae that have the ability to hover. Lexicurio rates it Rare gem — a strength score of 75 out of 100.nounAny of various small American birds in the family Trochilidae that have the ability to hover.“Soon I hear the low all-pervading hum of an approaching hummingbird circling above the rock, …”