1. Resembling a bunch of grapes on its stalk: Lilies of the valley are considered to be racemose having stalked flowers arranged along an extended stem.

2. A descriptive term for something that is in a bunch: Racemose glands are those that cumulate and have ducts that separate and separate again ending in clusters of follicles.
3. Etymology: from the Latin racemus, meaning "a cluster" or "bunch", especially of "grapes".

1. An aneurysm that is a localized widening (dilatation) of an artery, vein, or of the heart: A racemose aneurysm looks like a bunch of grapes.

At the area of an aneurysm, there is typically a bulge, called a racemose aneurysm, and the wall is weakened and may rupture.
2. Etymology: originally "aneurysm" comes from the Greek aneurysma meaning "a widening".