vesi·ca \və̇ˈsēkə, və̇ˈsīkə, ˈvesə̇kə\noun (pluralvesi·cae \-ēˌkī, -ī(ˌ)kē, -ī(ˌ)sē, -əˌkē, -əˌkī, -əˌsē\) Etymology: Latin vesica, vensica; akin to Latin venter belly — more at venter 1.: bladder 2.obsolete: a large vessel for distilling liquor 3.: vesica piscis < the vesica and festoons common in Irish cut glass >