冠

having no special rank or title

full Japanese court dress of traditional fashion

Noh

Tarōkaja (common name for a manservant)

first system to rank officials into 12 levels (603 CE)

Proverb

leave no room for scandal; don't do anything that can be misinterpreted; don't straighten your cap under a plum tree (because when you raise your hands it might look as if you're trying to steal the plums)

Anatomy

coronary artery

young person with a monkey-like face (nickname for Toyotomi Hideyoshi)

person who has not won any major awards or titles despite being the best in a particular field; uncrowned king

person who wields power without holding an official rank or title

journalist (esp. newspaper journalist)

poet laureate

kabusecha; mild green tea which has been lightly screened from sunlight for 1-3 weeks before picking

Astronomy

Corona Borealis (constellation); the Northern Crown

Astronomy

Corona Australis (constellation); the Southern Crown

Medicine

coronary artery bypass surgery; coronary artery bypass graft surgery; coronary artery bypass grafting; heart bypass; bypass surgery

Medicine

coronary artery disease; coronary heart disease; CAD

to put on a crown

Meristotheca papulosa (species of edible red alga)

Medicine

acute coronary syndrome; ACS

road flooding; flooded roads

Grammar

indefinite article

Idiomatic expression

to only look the part (but otherwise be wholly unsuited for it); a monkey wearing a crown

Medicine

coronary-artery disease

Idiomatic expression

to become displeased; to get stubborn

northern cardinal (Cardinalis cardinalis); common cardinal

Work of art, literature, music, etc. name

L'incoronazione di Poppea (opera by Monteverdi); The Coronation of Poppaea