Associated Words: sectile, sectility, insecable.
"Putnam's Word Book" by Louis A. Flemming
The slices of wood, "sectiles laminae," were laid down with glue, as in modern work.
"Intarsia and Marquetry" by F. Hamilton Jackson
It is sectile, but does not yield to the nail.
"Narrative of a Second Expedition to the Shores of the Polar Sea" by John Franklin
Cleavage flakes are soft (H = 2), sectile and flexible; specific gravity 2.95.
"Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7" by Various