Home › Words › S › spermococcusspermococcusspermococcus means the nucleus of a spermatozoon.Among words judged in Lexicurio's Arena, spermococcus ranks #32,995 of 42,747 for Qualifying.EtymologyFrom spermo- + -coccus.nounThe nucleus of a spermatozoonDefinitions & examples from Wiktionary (CC BY-SA 3.0).