sinu
sinu is a Latin form of sinus, meaning “fold of a toga, lap, bosom; curve; bay, gulf”. It is the ablative singular masculine noun.
Found 306 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Civili 2.32·2: … hostium primo impetu adveniens profligaverim? quod bis per biduum equestri proelio superaverim? quod ex portu sinuque adversariorum CC naves oneratas abduxerim eoque illos compulerim, ut neque pedestri itinere neque navibus …
Phaedrus, Fabulae 4.19.3: Sinuque fovit contra se ipse misericors:
All forms of sinus (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.