| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| Bachelor of Science | |
| —n | |
| 1. | a degree conferred on a person who has successfully completed his or her undergraduate studies in a branch of the sciences |
| 2. | a person who holds this degree |
| S.B. [United States] Senate bill |