RETICULE is a French word from the Latin "reticulum," diminutive of "rete" meaning net. Here it refers to a small net bag once "used by ladies as a pocket or workbag."
RETICULATION "... A network; an arrangement of lines..."
Adapted from the Oxford English Dictionary, Second Edition, Vol. XIII, p. 778, Clarendon Press, Oxford, published by Oxford University Press, 1989, reprinted with corrections 1998.