repand
adjective
re·pand ri-ˈpand 
: having a slightly undulating margin
a repand leaf
a repand colony of bacteria
Word History
Etymology
Latin repandus spread out, from repandere to open wide, from re- + pandere to spread — more at fathom
First Known Use
circa 1760, in the meaning defined above
Medical Definition
repand
adjective
re·pand ri-ˈpand
: having a slightly undulating margin
a repand colony of bacteria