Amanita caesarea, an edible mushroom with a distinctive orange cap.

(slang) A very old item, especially an obsolete piece of technology.

plural of mushroom body

(humorous) To be tone-deaf.

Instrumental music having an intellectual and affective content, which depends solely on its rhythmic, melodic, and contrapuntal structure.

Music created with a focus on structure as opposed to title, text, or program; absolute music.

Muscle tissue that appears striped under the microscope as a result of the myofibrils being organized into regular units (sarcomeres).

A group of musicians who regularly perform together.

plural of music group

(often in the plural) Any of a group of four muscles that form the abdominal wall.