bulb-shaped
Adjective Satellite
Meaning
shaped like a bulb
Source: WordNetSynonyms
Examples
Many textured condoms which advertise "mutual pleasure" also are bulb-shaped at the top, to provide extra stimulation to the penis. citation Some women experience irritation during vaginal intercourse with studded condoms.
There is a second bulb-shaped structure similarly reminiscent of a thalamus flower, which is represented by a cross with arms that are actually buds announcing the next flowering.