infundibulum
Concise Oxford English Dictionary © 2008 Oxford University Press:
infundibulum /ˌɪnfʌnˈdɪbjʊləm/
▶noun (pl. infundibula /-ˈdɪbjʊlə/) Anatomy & Zoology a funnel-shaped cavity or structure.
– derivatives
infundibular adjective.
infundibular adjective.
– origin C16: from L., ‘funnel’.
'infundibulum' also found in these Oxford entries:

