Definition of "root" []

• The usually underground portion of a plant that lacks buds, leaves, or nodes and serves as support, draws minerals and water from the surrounding soil, and sometimes stores food. (noun)
• Any of various other underground plant parts, especially an underground stem such as a rhizome, corm, or tuber. (noun)
• The embedded part of an organ or structure such as a hair, tooth, or nerve, that serves as a base or support. (noun)
• A base or support: We snipped the wires at the roots. (noun)
• An essential part or element; the basic core: I finally got to the root of the problem. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The one that drives me crazy is when I'm trying to change to a directory with only root access: john@p490: ~$ cd / root john@p490: / root$ cd. gconf bash: cd:. gconf: Permission denied john@p490: / root$ sudo cd. gconf sudo: cd: command not found"
• "# access the document root my $root = $xdoc - > root;"
• "$self - > conf - > {root}; my $ fi le = fi le ($root, "static", $path); my $size = - s _; my $mtime ="