lock chamber vs canal

lock chamber and canal both are nouns.

Word	Noun	Adjective	Verb	Adverb
lock chamber	Yes	No	No	No
canal	Yes	No	Yes	No

lock chamber (noun)	canal (noun)
enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it	long and narrow strip of water made for boats or for irrigation
	a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
	(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion

lock chamber (verb)	canal (verb)
	provide (a city) with a canal