HEAD UP
\hˈɛd ˈʌp], \hˈɛd ˈʌp], \h_ˈɛ_d ˈʌ_p]\
Definitions of HEAD UP
- 2006 - WordNet 3.0
- 2010 - New Age Dictionary Database
- 1913 - Webster's Revised Unabridged Dictionary
Sort: Oldest first
By Princeton University
-
The source, fountain, spring, or beginning, as of a stream or river; as, the head of the Nile; hence, the altitude of the source, or the height of the surface, as of water, above a given place, as above an orifice at which it issues, and the pressure resulting from the height or from motion; sometimes also, the quantity in reserve; as, a mill or reservoir has a good head of water, or ten feet head; also, that part of a gulf or bay most remote from the outlet or the sea.
By Oddity Software
-
The source, fountain, spring, or beginning, as of a stream or river; as, the head of the Nile; hence, the altitude of the source, or the height of the surface, as of water, above a given place, as above an orifice at which it issues, and the pressure resulting from the height or from motion; sometimes also, the quantity in reserve; as, a mill or reservoir has a good head of water, or ten feet head; also, that part of a gulf or bay most remote from the outlet or the sea.
By Noah Webster.
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.