(radar, sonar, radio telescopy etc.) A pulse of signal whose frequency sweeps through a band of frequencies for the duration of the pulse.
A short, sharp or high note or noise, as of a bird or insect.
verb
(Canada) To speak rapid insulting comical banter back and forth.
(intransitive) To make a short, sharp, cheerful note, as of small birds or crickets.
(intransitive) To speak in a high-pitched staccato.
(transitive, obsolete) To cheer up; to make (someone) happier.
(transitive, radar, sonar, radio telescopy etc.) To modify (a pulse of signal) so that it sweeps through a band of frequencies throughout its duration.
parch
parch
noun
The condition of being parched.
verb
(intransitive) To become superficially burnt; be become sunburned.
(transitive) To burn the surface of, to scorch.
(transitive) To dry to extremity; to shrivel with heat.
(transitive) To roast, as dry grain.
(transitive, archaic) To boil something slowly (Still used in Lancashire in parched peas, a type of mushy peas).
(transitive, colloquial) To make very thirsty.
The patient's mouth is parched from fever.
We're parched, hon. Could you send up an ale from the cooler?
(dated) A linear measure of 5+¹⁄₂ yards, equal to a rod, a pole or ¹⁄₄ chain; the related square measure.
(figuratively) A position that is overly elevated or haughty.
(figuratively) A position that is secure and advantageous, especially one which is prominent or elevated.
(textiles) A frame used to examine cloth.
(theater) A platform for lights to be directed at the stage.
A bar used to support a candle, especially in a church.
A cubic measure of stonework equal to 16.6 × 1.5 × 1 feet.
A pole connecting the fore gear and hind gear of a spring carriage; a reach.
A rod, staff, tree branch, ledge, etc., used as a roost by a bird.
Any of the three species of spiny-finned freshwater fish in the genus Perca.
Several similar species in the order Perciformes, such as the grouper.
verb
(intransitive) To rest on a perch (especially, of a bird); to roost.
(intransitive) To sit upon the edge of something.
(intransitive) To stay in an elevated position.
(transitive) To place something on (or as if on) a perch.
(transitive, intransitive, textiles) To inspect cloth using a perch.
porch
porch
noun
(architecture) A covered entrance to a building, whether taken from the interior, and forming a sort of vestibule within the main wall, or projecting without and with a separate roof. A porch often has chair(s), table(s) and swings.
A portico; a covered walk.
The platform outside the external hatch of a spacecraft.