Meaning of DISK in English

DISK

I. noun

or disc ˈdisk

Usage: often attributive

Etymology: Latin discus — more at dish

Date: 1664

1.

a. : the seemingly flat figure of a celestial body

the solar disk

b. archaic : discus

2. : any of various rounded and flattened animal anatomical structures ; especially : intervertebral disk — compare slipped disk

3. : the central part of the flower head of a typical composite made up of closely packed tubular flowers

4. : a thin circular object: as

a. usually disc : a phonograph record

b. : a round flat plate coated with a magnetic substance on which data for a computer is stored

c. usually disc : optical disk : as

(1) : videodisc

(2) : cd

5. usually disc : one of the concave circular steel tools with sharpened edge making up the working part of a disc harrow or plow ; also : an implement employing such tools

• disk·like -ˌlīk adjective

[

disk 3 D

]

II. transitive verb

or disc

Date: circa 1884

: to cultivate with an implement (as a harrow or plow) that turns and loosens the soil with a series of discs

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.