Flying disk and Unidentified flying object

Unidentified flying object and flying disk are semantically related. In some cases you can replace phrase "Unidentified flying object" with "Flying disk", this phrases are similar.

Unidentified flying object noun - An (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins.

Flying disk and unidentified flying object are semantically related. Sometimes you can replace phrase "Flying disk" with "Unidentified flying object", this phrases are similar.