Term: balloon: large tough nonrigid bag filled with gas or heated air
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: cardiac plexus: a plexus of nerves supplying the heart and nearby structures
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: claystone: fine-grained rock consisting of compacted clay particles
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: inclinometer: a measuring instrument for measuring the angle of magnetic dip (as from an airplane)
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: acanthurus: type genus of the Acanthuridae: doctorfishes
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: facial tissue: tissue paper suitable for use on the face
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: vital sign: sign of life; usually an indicator of a person's general physical condition
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: imbroglio: an intricate and confusing interpersonal or political situation
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: make-believe: the enactment of a pretense
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: gel: a colloid in a more solid form than a sol
Broader: lighter-than-air craft: aircraft supported by its own buoyancy | Unrelated: danish monetary unit: monetary unit in Denmark