a rounded projection, as on the margin of a leaf, etc.
2.
a notch between such projections
Word origin
crenate + -ure
crenature in American English
(ˈkrenətʃər, ˈkrinə-)
noun
1.
a crenation
2.
a notch or indentation between crenations
Word origin
[1810–20; crenate + -ure]This word is first recorded in the period 1810–20. Other words that entered Englishat around the same time include: cleavage, duplex, liberalism, triangulation, zombie-ure an abstract-noun suffix of action, result, and instrument, occurring in loanwordsfrom French and Latin. Other words that use the affix -ure include: figure, nature, picture, structure, texture