What's the difference between guide and postilion?

Guide

Definition:

(n.) The leather strap by which the shield of a knight was slung across the shoulder, or across the neck and shoulder.
(v. t.) To lead or direct in a way; to conduct in a course or path; to pilot; as, to guide a traveler.
(v. t.) To regulate and manage; to direct; to order; to superintend the training or education of; to instruct and influence intellectually or morally; to train.
(v. t.) A person who leads or directs another in his way or course, as in a strange land; one who exhibits points of interest to strangers; a conductor; also, that which guides; a guidebook.
(v. t.) One who, or that which, directs another in his conduct or course of lifo; a director; a regulator.
(v. t.) Any contrivance, especially one having a directing edge, surface, or channel, for giving direction to the motion of anything, as water, an instrument, or part of a machine, or for directing the hand or eye, as of an operator
(v. t.) A blade or channel for directing the flow of water to the wheel buckets.
(v. t.) A grooved director for a probe or knife.
(v. t.) A strip or device to direct the compositor's eye to the line of copy he is setting.
(v. t.) A noncommissioned officer or soldier placed on the directiug flank of each subdivision of a column of troops, or at the end of a line, to mark the pivots, formations, marches, and alignments in tactics.

Example Sentences:

(1) Technical factors that account for increased difficulty in these patients include: problems with guide catheter impaction and ostial trauma; inability to inflate the balloon with adequate guide catheter support; and need for increased intracoronary manipulation.
(2) This article is intended as a brief practical guide for physicians and physiotherapists concerned with the treatment of cystic fibrosis.
(3) A 6.4 kilobase C4B-5'-specific Taq I fragment usually provided a reliable guide to the presence of a C4A deletion but unusually in one instance this fragment was found to be a marker of a functioning C4A gene.
(4) The complex problems have been successfully managed with novel guiding catheter shapes and ultralow profile balloons.
(5) Originally from Pyongyang, the tour guide explains that a “merited artist” from Mansudae, North Korea’s biggest art studio in Pyongyang, was responsible for the main piece, but that it took 63 artists almost two years to complete.
(6) The local guide led us down a rough, uneven pathway, talking as he went.
(7) This conception of the city as an expression of both regal power and social order, guided by cosmological principles and the pursuit of yin-yang equilibrium, was unlike anything in the western tradition.
(8) The large degree of inter-dose fluctuation between doses indicates that it is preferable to use pre-dose plasma sodium valproate levels to guide the clinical management of epileptic patients.
(9) Although the general guiding principle of pharmacotherapy for anxiety disorders--the lowest effective dose for the shortest possible time--remains, this rule should not interfere with the judicious use of medications as long as the benefits justify it.
(10) This article discusses known mechanisms, physiologic examples, and clinical consequences of body-water changes with age, and suggests that careful monitoring of these changes can lead to better guiding of medication and fluid administration to avoid preventable complications.
(11) A guide, £44pp, is compulsory ( rscn.org.jo ) 2 Discover the Nuweiba coast: Red Sea, Egypt Beach, Nuweiba, Sinai, Egypt.
(12) Gavin Andresen, formerly the chief scientist at the currency’s guiding body, the Bitcoin Foundation, had been the most important backer of the man who would be Satoshi.
(13) Dorsomedial frontal cortex (DMFC) was studied in monkeys trained to make visually guided eye or arm movements.
(14) In contrast, US-guided FNAC had an accuracy of 89% (62 of 70), a sensitivity of 76% (25 of 33), and a specificity of 100% (37 of 37).
(15) In the experimental immunopharmacognostic phase, immunomodulatory compounds are isolated and purified through action-guided fractionation procedures.
(16) The content and dynamics of two 11-session psychotherapy groups led by physicians for 18 adult patients with insulin-dependent diabetes are described as a guide for others wishing to use this form of treatment.
(17) These results suggest that purified laminin can facilitate and guide process outgrowth of 5-HT, DA and NE neurons during early developmental stage, but does not induce sprouting on these same fiber types in the adult brain.
(18) A physical grading of some well-known sunburn protectors is described as a guide to the choice of preparation.
(19) Selection of the appropriate guiding catheter is a critical early decision.
(20) These limitations expressly declared in the ISO 2631 guide are also implicit in the other regulations proposed.