Ma'anar ƙamus na "tsani na biri" wani nau'i ne na tsani da aka yi daga dogon sanda mai sassauƙa ko bamboo wanda aka lanƙwasa zuwa siffar tsani kuma an tsare shi a ƙarshen duka. Ana amfani da shi sosai wajen gine-gine da sauran ayyukan waje inda tsani na yau da kullun ba zai zama mai amfani ba ko aminci don amfani. Ana amfani da kalmar “tsani na biri” a wasu lokuta don nuni ga wani nau’in tsiro (Heliconia imbricata) mai dogayen ganye masu sirara masu kama da tsani.