This is probably an old chestnut, but what do we collectors in general think about the common tendency to call any long gun designed to be fired from the shoulder a "rifle", irrespective of it having a rifled or smoothbore barrel?

I know that the strict definition requires a rifle to have a rifled barrel, but the only alternative we have for a shoulder-fired smoothbore gun is 'long gun', which is not ideal as it also conjures up visions of canons, howitzers etc. This not such an issue with modern air guns, where rifling is the norm, so 'air rifle' will almost always be correct to the purist, but it is not so comfortable with older air guns, where the vast majority are going to be smoothbores. Should we be purists and insist on calling these antiques "air long guns", or should we stick to the more familiar but inaccurate term 'air rifle'?