Anagrams of: EYSTACK__

• subject an aircraft to air piracy

• A stay (rope, bar or batten), running along a ship's yard, to which is attached the head of a square sail.

• A cable between two ships or from a ship to a fixed point which can be used to support a load during transfer of personnel or materiel along the cable.

• A line (rope, webbing or cable), attached to a boat at the ends, to which a safety harness can be clipped to restrain falling in rough conditions and to prevent falling overboard.

• (underwater diving) A line fixed at both ends, which may be used to guide a load or a diver along the route of the line. Uses include guidance to and from the underwater work site, and as a means of controlling an underwater search.

• having or making a high-pitched sound such as that made by a mouse or a rusty hinge

• someone employed to ride horses in horse races

• an operator of some vehicle or machine or apparatus

• defeat someone through trickery or deceit

• compete (for an advantage or a position)

• ride a racehorse as a professional jockey

• someone employed to ride horses in horse races

• an operator of some vehicle or machine or apparatus

• defeat someone through trickery or deceit

• compete (for an advantage or a position)

• ride a racehorse as a professional jockey

• A sailor.

• English gin.

• ludicrous, foolish

• informal or slang terms for mentally irregular