D defs.my
Entry 2 senses Webster, 1913

Foraminiferous

· Fo·ram·i·nif·er·ous · IPA
01 a. Having small openings, or foramina.
  1. 1.
    Having small openings, or foramina.
  2. 2.
    Pertaining to, or composed of, Foraminifera; as, foraminiferous mud.