plicate

As a noun fan

is .

As an adjective plicate is

(biology) folded multiple times lengthwise like a fan, usually lending stiffness to a flat structure such as a leaf; corrugated; pleated.

As a verb plicate is

to fold or pleat (usually used in passive).

As adjectives the difference between lengthwise and plicate

is that lengthwise is in the long direction of an oblong object while plicate is (biology) folded multiple times lengthwise like a fan, usually lending stiffness to a flat structure such as a leaf; corrugated; pleated.

As an adverb lengthwise

is in the long direction of an oblong object.

As a verb plicate is

to fold or pleat (usually used in passive).

As adjectives the difference between multiple and plicate

is that multiple is multiple while plicate is (biology) folded multiple times lengthwise like a fan, usually lending stiffness to a flat structure such as a leaf; corrugated; pleated.

As a verb plicate is

to fold or pleat (usually used in passive).