What Does It Mean?

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From our dictionary:
ta•bu•la ra•sa

(tab'yu-lu rä'su, -zu, rā'-; Lat. tä'boo-lä" rä'sä), —pl. ta•bu•lae ra•sae (tab'yu-lē" rä'sē, -zē, rā'-; Lat. tä'boo-lī" rä'sī).

1. a mind not yet affected by experiences, impressions, etc.
2. anything existing undisturbed in its original pure state.