keyseat

== English == === Etymology === From key +‎ seat. === Noun === keyseat (plural keyseats) A bed or groove to receive a key which prevents one mechanical part from turning on another; especially, one with blind ends and a press-fit, such as one that seats a Woodruff key. Near-synonym: keyway === Verb === keyseat (third-person singular simple present keyseats, present participle keyseating, simple past and past participle keyseated) To form a keyseat, as by cutting. === Related terms === keyseater