testiculate

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Having the shape of a testicle; ovoid.
2. adj. Botany Having two oblong tubes, as some orchids.
3. adj. Testicular.

Century Dictionary and Cyclopedia

1. Of the rounded or ovoid shape of a testicle.
2. Having a pair of testicle-like formations.
3. In botany: Shaped like a testicle.
4. Having a pair of organs so shaped, as the tubers of Orchis mascula. Also testicular, testiculated.

Wiktionary

1. adj. Shaped like a testicle
2. adj. Testicular.

GNU Webster's 1913

1. adj. Shaped like a testicle, ovate and solid.
2. adj. Having two tubers resembling testicles in form, as some species of orchis.