Rhizocarpon geographicum, a lichen that grows in patches on rocks in mountainous areas, giving the appearance of a map.

(historical) A defensive garment made of metal scales or interlinked metal rings.

A protective mask which covers the mouth and nose of the wearer, worn when in a dusty atmosphere, or when doing work which creates dust.

(Ireland, informal) myself.

A machine tool for cutting grooves, key seats, or slots; a slotting machine.

Alternative form of May Queen

Alternative form of May Queen

A fallacy of inferring that since one knows (or does not know) something by one description, one must know (or not know) it by another, as in "I know who my father is. I do not know who the masked man is. Therefore, my father is not the masked man."

(archaic) Stand by me and I will stand by you.

physical material, containing an inscribed message, used as a means of communication between intelligences separated by astronomical distances