falciform

sirpin muotoinen sickle Sickle-shaped.
1922: w:James Joyce|James Joyce, w:Ulysses (novel)|Ulysses, http://books.google.co.uk/books?id=35zZnQWKjT0C&pg=PA446&dq=%22double+falciform+ejection%22&hl=en&ei=mYskTKKrA469_Qb9gbXaBA&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCwQ6AEwAAv=onepage&q=%22double%20falciform%20ejection%22&f=false page 627

What announced the accomplishment of this rise in temperature?A double falciform ejection of water vapour from under the kettlelid at both sides simultaneously.