■ noun
1》 an apparition of a dead person which is believed to appear to the living, typically as a nebulous image.
↘ archaic a spirit or soul.
2》 a faint trace: the ~ of a smile.
3》 a faint secondary image produced by a fault in an optical system or on a cathode ray screen.
■ verb
1》 act as ~writer of.
2》 glide smoothly and effortlessly.
Phrases
the ~ in the machine Philosophy the mind viewed as distinct from the body.
give up the ~ die or stop functioning.
Derivatives
~like adjective
Origin
OE gāst , of Gmc origin.