Tuffar kaguwa wani nau'i ne na ƙaramin tuffa mai tsami wanda ake yawan amfani da shi wajen dafa abinci ko wajen yin cider ko jelly. Ita ma bishiyar dangin fure ce ta ba da wannan 'ya'yan itace. Kalmar “kaguwa” a cikin wannan mahallin ta fito ne daga tsohuwar kalmar Norse “krabbi,” wacce ke nufin “ƙugiya” ko “katse,” kuma tana nufin ƙaramin girma kuma galibin sifar ’ya’yan itacen da ba ta dace ba.