Freestanding

A term for tents that do not need guy lines.
Found on https://www.eurekacamping.com/blog/article/20-camping-terms-you-should-know

freestanding

[adj] - standing apart
Found on http://www.webdictionary.co.uk/definition.php?query=freestanding

freestanding

separate adjective standing apart; not attached to or supported by anything; `a freestanding bell tower`; `a house with a separate garage`
Found on https://www.encyclo.co.uk/local/20974

Freestanding

(in the round): sculpture standing alone, usually on a pedestal or base: sculpture not attached to a background or wall (in contrast to Relief)
Found on http://www.selectartusa.com/gloss.htm

Freestanding

Staircase which is not supported by walls. Open underneath.
Found on http://home.btconnect.com/FLIGHTWISE-JOINE/glossary.php
No exact match found