wrack

n 1: dried seaweed esp. that cast ashore

2: the destruction or collapse of something; "wrack and ruin"

[syn: {rack}]

3: growth of marine vegetation esp. of the large forms such as

rockweeds and kelp [syn: {sea wrack}]

v : smash or break forcefully; "The kid busted up the car" [syn:

{bust up}, {wreck}]

track

The part of a {disk} which passes under one

read/write head while the head is stationary. The number of

tracks on a disk surface therefore corresponds to the number

of different radial positions of the head(s). The collection

of all tracks on all surfaces at a given radial position is

known a {cylinder} and each track is divided into {sectors}.

(1997-07-15)