For women giving birth for the first time, the mucus plug is usually expelled days before labour begins and may often be a sign of early labour. Generally, it is never reason to worry regardless of whether the mucus plug is released early or late.
Hard drive. A hard disk drive (sometimes abbreviated as Hard drive, HD, or HDD) is a device used to permanently store and also retrieve information. There are many variations, but their sizes are generally 3.5 and 2.5 for desktop and laptop computers respectively.
Switch to new thesaurus. disc drive, hard drive, Winchester drive. drive - (computer science) a device that writes data onto or reads data from a storage medium. fixed disk, hard disc, hard disk - a rigid magnetic disk mounted permanently in a drive unit.