|z or Z (zɛd, US ziː, zɛd, US ziː)|
|—n , pl z's, Z's, Zs|
|1.||the 26th and last letter and the 20th consonant of the modern English alphabet|
|2.||a speech sound represented by this letter, in English usually a voiced alveolar fricative, as in zip|
|3.||a. something shaped like a Z|
|b. (in combination): a Z-bend in a road|
|Z or Z|
|1.||the z-axis or a coordinate measured along the z-axis in a Cartesian or cylindrical coordinate system|
|2.||an algebraic variable|
|1.||any unknown, variable, or unspecified factor, number, person, or thing|
|2.||chem atomic number|
|6.||Zambia (international car registration)|
"Thou whoreson Zed, thou vnnecessary Letter." ["King Lear," II.ii.69]Series of zs to represent a buzzing sound first attested 1852; zees "spell of sleep, a nap" is slang first recorded 1963, Amer.Eng. student slang.
see from soup to nuts (a to z).