References in classic literature ? I gave the heap a shove over the lip of the entrance. The next instant there arrived up from down below a howl of rage. encroachment, intrusion, invasion - any entry into a region not Formerly occupied; "an invasion of tourists"; "an invasion of locusts" https://entrancemats89001.gynoblog.com/36797979/the-2-minute-rule-for-entrance-mats