
1) Protective garden structure
Found on
https://www.crosswordclues.com/clue/cold-frame

In agriculture and gardening, a cold frame is a transparent-roofed enclosure, built low to the ground, used to protect plants from adverse weather, primarily excessive cold or wet. The transparent top admits sunlight and prevents heat escape via convection that would otherwise occur, particularly at night. Essentially, a cold frame functions as a ...
Found on
http://en.wikipedia.org/wiki/Cold_frame

An unheated structure used to start transplants.
Found on
http://urbanext.illinois.edu/veggies/glossary.cfm

(from the article `horticulture`) Various structures are used for temperature control. Cold frames, used to start plants before the normal growing season, are low enclosed beds ...
Found on
http://www.britannica.com/eb/a-z/c/107

a glass-covered frame without artificial heat used to protect plants and seedlings.
Found on
http://www.encyclo.co.uk/local/20003

A plant bed on the ground enclosed by side walls and covered with transparent material but not heated artificially.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

A cold frame is a sloping glass-topped wooden box with no base used by gardeners to rear young crops earlier in the year.
Found on
http://www.probertencyclopaedia.com/browse/AC1.HTM

Unheated frame for growing on and acclimatising hardy and half-hardy plants outdoors.
Found on
http://www.thompson-morgan.com/glossary-of-gardening-terms

[
n] - protective covering consisting of a wooden frame with a glass top in which small plants are protected from the cold
Found on
http://www.webdictionary.co.uk/definition.php?query=cold%20frame

A protective structure like a raised bed with transparent lid to retain warmth for plants and allow light in.
Found on
https://empressofdirt.net/gardeners-dictionary/

A low structure with a translucent top, used for protecting plants from the weather and for hardening-off young seedlings.
Found on
https://extension.umd.edu/hgic/resource-library/vegetable-gardening-glossar
noun protective covering consisting of a wooden frame with a glass top in which small plants are protected from the cold
Found on
https://www.encyclo.co.uk/local/20974

A small enclosure which is covered with glass or clear plastic, used to create a greenhouse effect for young plants.
Found on
https://www.encyclo.co.uk/local/21504

A four-sided structure with a glass or plastic covering used to shelter young plants or transplanted seedlings from cold temperatures.
Found on
https://www.encyclo.co.uk/local/22486

An unheated structure that is used to protect plants from frost.
Found on
https://www.encyclo.co.uk/local/23341

a four-sided frame of boards with a removable glass or plastic top. The frame is placed on the ground and is used to house, protect, and harden off seedlings and small plants, without artificial heat.
Found on
https://www.encyclo.co.uk/local/23353

a four-sided frame of boards with a removable glass or plastic top. The frame is placed on the ground and is used to house, protect, and harden off seedlings and small plants, without artificial heat.
Found on
https://www.encyclo.co.uk/local/23362

a bottomless, boxlike structure, usually covered with glass or transparent plastic, and the bed of earth that it covers, used to protect plants.
Found on
https://www.infoplease.com/dictionary/cold-frame

A four-sided structure with a glass or plastic covering used to shelter young plants or transplanted seedlings from cold temperatures.
Found on
https://www.lowes.com/projects/lawn-and-garden/garden-glossary/project

An unheated structure usually made of wood and covered with glass or plastic. Cold frames are used to protect plants from frost and are helpful season extenders.
Found on
https://www.planetnatural.com/vegetable-gardening-guru/garden-terms/

An unheated low wooden or metal framed structure with glass or clear plastic sides and top used to protect young plants from rough or cold weather.
Found on
https://www.seasonalgardening.co.uk/garden_glossary.html

Unheated frame for growing on and acclimatising hardy and half-hardy plants outdoors.
Found on
https://www.thompson-morgan.com/glossary-of-gardening-terms
No exact match found.