teirlen

== Welsh == === Etymology === Univerbation of tair (“three”) +‎ llen (“curtain, sheet”). === Pronunciation === IPA(key): /ˈtei̯rlɛn/ === Adjective === teirlen (feminine singular teirlen, plural teirlen, not comparable) tricuspid ==== Derived terms ==== falf deirlen (“tricuspid valve”) ==== Related terms ==== dwylen (“bicuspid”) === Mutation === === References === Delyth Prys; J.P.M. Jones; Owain Davies; Gruffudd Prys (2006), Y Termiadur: termau wedi'u safoni; standardised terminology‎[1] (in Welsh), Cardiff: Awdurdod cymwysterau, cwricwlwm ac asesu Cymru (Qualifications curriculum & assessment authority for Wales), →ISBN