skyˈdiver noun

skyˈdiving or skyˈjumping noun

Jumping by parachute as a sport, using a special steerable parachute, and delaying opening it for a specified time

sky-highˈ adjective

(esp of prices) very high (also adverb)

skyˈhook noun

1. A hook at the end of a length of cable and hung beneath eg a helicopter, used to attach a load
2. A type of grappling-iron used by climbers to secure a rope above, on a sheer face

skyˈjack transitive verb (informal)

To hijack (an aeroplane)

skyˈjacker noun

skyˈjacking noun

skyˈlab noun

An orbiting experimental space-station, specif (with cap) that launched and manned by the USA, 1973–4

skyˈlark noun

The common lark

intransitive verb

To frolic boisterously

transitive verb

To trick

skyˈlarker noun

skyˈlarking noun

1. Running about the rigging of a ship in sport
2. Frolicking

skyˈlight noun

1. A window in a roof or ceiling
2. Light from or in the sky
3. Light through the bottom of an empty glass

skylight filter noun (photography)

A slightly pink filter that absorbs ultraviolet light

skyˈline noun

1. The horizon
2. A silhouette or outline against the sky

skyˈman noun

A paratrooper

sky marshal noun

An armed plain-clothes officer on an air-flight, having the job of protecting passengers and dealing with hijack attempts

sky parlour noun (old informal)

An attic

sky pilot noun (slang)

A clergyman, a military chaplain

skyˈrocket noun

A firework that bursts high in the sky

intransitive verb

1. To shoot up high
2. To rise high and fast

skysail /skīˈsl/ noun

A square sail above the royal on a square-rigged ship

skyˈscape noun

A view or a picture of the sky

skyˈscrāper noun

1. A very tall building
2. A triangular skysail
3. Anything very high

skyscraper ad noun

An advertisement positioned down the side of a page on the Internet

sky sign noun

An elevated advertising sign, eg a neon sign on a high building

sky surfing noun

The sport of free-falling from an aeroplane with a modified surfboard attached to the feet, which is used to ride the air currents

skyˈ-tincˈtured adjective

Of the colour of the sky

sky troops plural noun

1. Paratroopers
2. Airborne troops

skyˈwalk or skyˈbridge noun

A passageway between two elevated points, often with views over a valley or street below

sky wave noun

A radio wave reflected from the ionosphere

skyˈway noun

A route for aircraft

skyˈwriting noun

Tracing of words by smoke from an aircraft

the sky's the limit (informal)

There are no restrictions on amount or extent (of something)

to the skies (informal)

In a lavish or vociferously enthusiastic manner as in applaud to the skies