microphallus
mic·rop·hal·lus
noun
1.
an abnormally small penis
Origin
From micro- + phallus.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.