bo·lus 
(bōləs)
(bōləs)n. pl. bo·lus·es
1. A round mass: "A dense bolus of trapped dolphins fills the frame" (Kenneth Browser).
2.
a. A single, relatively large quantity of a substance, such as a dose of a drug, intended for therapeutic use and taken orally.
b. A concentrated mass of a substance administered intravenously for diagnostic or therapeutic purposes.
3. A soft mass of chewed food within the mouth or digestive tract.
[Medieval Latin bōlus, from Greek bōlos, lump of earth.]
- Indo-European root: bhel-
- Indo-European root: bhelgh-
- Indo-European root: bhendh-
- Indo-European root: bher-
- Indo-European root: bher-
- Indo-European root: bhergh-
- Indo-European root: bhergh-
- Indo-European root: bherəg-
- Indo-European root: bhes-
- Indo-European root: bheudh-
- Indo-European root: bheug-
- Indo-European root: bheuə-
- Indo-European root: bhleu-
- Indo-European root: bhlē-
- Indo-European root: bhoso-
- Indo-European root: bhreg-
- Indo-European root: bhreu-
- Indo-European root: bhrāter-
- Indo-European root: bhrū-
- Indo-European root: bhā-
- Indo-European root: bhā-
- Indo-European root: bhāghu-
- Indo-European root: bhāgo-
- Indo-European root: dail-
- Indo-European root: daiwer-