BASE

noun

1. Something from which other things extend; a foundation.
2. The starting point of a logical deduction or thought; basis.
3. A permanent structure for housing military personnel and material.

verb

1. To give as its foundation or starting point; to lay the foundation of.
2. To be located (at a particular place).
3. (acrobatics, cheerleading) To act as a base; to be the person supporting the flyer.

noun

1. A low spectrum of sound tones.
2. A section of musical group that produces low-pitched sound, lower than the baritone and tenor.
3. One who sings in the bass range.