A dirigible is a type of aircraft, usually cigar- or egg-shaped, that floats by means of a gas bag filled with a lighter-than-air gas. On Danbooru dirigible refers to real life floating aircraft; for fantasy airships, see airship.
There are three types of dirigibles:
[1] Wikipedia: Ferdinand von Zeppelin
The following tags are aliased to this tag: blimp and zeppelin (learn more).
This tag implicates aircraft (learn more).