Freebase(0.00 / 0 votes)Rate this definition: Root nodule. Root nodules occur on the roots of plants that associate with symbiotic nitrogen-fixing bacteria. Under nitrogen-limiting conditions, capable plants form a symbiotic relationship with a host-specific strain of bacteria known as rhizobia.
Ayurvedic health benefits of bottle gourd/lau/ lauki: 1  Ayurveda recommends cooked lauki or bottle gourd for better digestion. It is cooling, calming, diuretic and anti-bilious (reduces bile and stops indigestion).
Flower waters are some of the best natural beauty products you can find. They also come with many health benefits. Flower waters can be used as skin tonics, in baths, as natural perfumes, in homemade beauty products and even to give your bed sheets a delicate fragrance.