Others view walking a labyrinth as a metaphor for lifeâs journey - a journey to your deepest self, where you come back into the world with a clearer understanding of yourself. It is seen and used for different reasons by different individuals.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  mustard(Noun) a plant of the genus Brassica or related genera in the family Brassicaceae, with yellow flowers, and linear seed pods. 2  mustard(Noun) a powder or paste made from seeds of the mustard plant, and used as a condiment or a spice.
Mustard gas or 1,5-dichloro-3-thiapentane is a yellow-green substance that has been used during chemical warfare since 1917. It gets its popular name from the odour it gives off in its impure gaseous state, similar to that of mustard or horseradish.owever, in its pure form, mustard gas has neither odour nor colour, and is a liquid. It was first used as a weapon at Flanders during WWI and has been used in numerous conflicts since. In 1925 it was banned from use during warfare by the Geneva Chemical Weapons Protocol.