A room in a school or house set aside for instruction in music.

(Canada) A terrain composed of peat bog with tussocky meadow and woody vegetation including spruce.

(Australia) A jocular explanation for bad luck.

(chemistry) Any of a series of compounds, analogous to mustard gas with sulfur replaced by nitrogen, that have been used in the treatment of cancer.

(informal) Any mushroom-like fungus that has psychedelic effects.

A mustache, especially a large or lush one.

To adorn with a mustachio, or something that resembles a mustachio.

(textile) Any of several varieties of thin cotton cloth. / (US) Fabric made of cotton, flax (linen), hemp, or silk, finely or coarsely woven.

(intransitive) to interfere, or intrude forcibly

(entomology) Either of a pair of structures in the brains of insects and some other arthropods thought to be involved in learning and memory.