verb (used without object)
to become weak, thin, and sickly.
a pointed end, edge, or projection: the peak of a roof
the pointed summit of a mountain
a mountain with a pointed summit
the point of greatest development, strength, etc: the peak of his career
Also called visor. a projecting piece on the front of some caps
(transitive) (nautical) to set (a gaff) or tilt (oars) vertically
to form or reach or cause to form or reach a peak or maximum
of or relating to a period of highest use or demand, as for watching television, commuting, etc: peak viewing hours, peak time
“pointed top,” 1520s, variant of pike (n.4) “sharp point.” Meaning “top of a mountain” first recorded 1630s, though pike was used in this sense c.1400. Figurative sense is 1784. Meaning “point formed by hair on the forehead” is from 1833. According to OED, The Peak in Derbyshire is older than the word for “mountaintop;” e.g. Old English Peaclond, for the district, Pecsaetan, for the people who settled there, Peaces ærs for Peak Cavern; sometimes said to be a reference to an elf-denizen Peac “Puck.”
1570s, “to rise in a peak,” from peak (n.). Figurative meaning “reach highest point” first recorded 1958. Related: peaked; peaking.
- Peak load
noun 1. the maximum load on an electrical power-supply system Compare base load noun the maximum demand for electrical power
- Peak pricing
noun See congestion pricing
- Peak programme meter
noun 1. an instrument for assessing the maximum levels of an electrical sound signal Abbreviation PPM, ppm
noun 1. .