Mast

Mast or MAST may refer to:

Engineering

Mast (sailing), a pole that holds a sail on sailing ships and boats, or antennas on modern warships
Flagmast, on which a flag is flown
Guyed mast, a type of tall structure supported by guy-wires
Mooring mast, a structure designed to allow for the docking of an airship
Radio masts and towers, poles or lattice towers that carry antennas/aerials
The primary support for a helicopter rotor
The main vertical structure of a forklift truck
The electrical conduit attached to the side of a house or building that channels electricity to the customer's electricity meter
Multi-axis shaker table, an automotive test system
Model for assessment of telemedicine, used to assess the quality of long-distance medical treatment
Merklized Abstract Syntax Tree, a structure used in cryptocurrency 'smart contracts'

Mast (botany), the edible seed and fruit produced by trees or shrubs that wildlife species will consume
Mast Arboretum, at Stephen F. Austin State University in Nacogdoches, Texas
Mast cell, involved in the allergy response
MAST, marine stramenopiles (also referred to as Heterokonts)
Mast., in botanical naming, the standard author abbreviation for Maxwell T. Masters
Two microtubule-associated serine/threonine-protein kinase enzymes:
- MAST1, an enzyme that in humans is encoded by the MAST1 gene
- MAST2, an enzyme that in humans is encoded by the MAST2 gene

Multi-Application Survivable Tether, an experimental space mission
Multimission Archive at STScI, a component of the National Space Science Data Center
Mega Ampere Spherical Tokamak, a nuclear fusion experiment in the UK

Mast (hieroglyph), an Egyptian language triliteral
Mast (naval), in naval tradition, a non-judicial punishment disciplinary hearing
Mast (Sufism), in India, Pakistan, and Iran, a type of religious intoxication
Mast (film), a 1999 Indian movie by Ram Gopal Verma
Mast General Store, an American regional store chain