Noun

(en noun)

An omission; something that is left out, missed or forgotten.

Supervision or management.

*{{quote-magazine, date=2013-08-10, volume=408, issue=8848, magazine=(The Economist)

, title= Can China clean up fast enough? , passage=It has jailed environmental activists and is planning to limit the power of judicial oversight by handing a state-approved body a monopoly over bringing environmental lawsuits.}}

Noun

(en noun)

Someone who , especially someone hired to show people around a place or an institution and offer information and explanation.

The guide led us around the museum and explained the exhibits.

* Bible, Psalms xlviii. 14

He will be our guide , even unto death.

A document or book that offers information or instruction; guidebook.

A sign that guides people; guidepost.

Any marking or object that catches the eye to provide quick reference.

A device that guides part of a machine, or guides motion or action.

# A blade or channel for directing the flow of water to the buckets in a water wheel.

# A grooved director for a probe or knife in surgery.

# (printing, dated) A strip or device to direct the compositor's eye to the line of copy being set.

(occult) A spirit believed to speak through a medium.

(military) A member of a group marching in formation who sets the pattern of movement or alignment for the rest.