Having the shape or form of a knife or blade.
From Latin cultellus (small knife) + forma (form). This combines the knife-related root with the suffix -form meaning 'having the shape of.'
Scientists love combining 'cultri-' (knife) with different endings to describe shapes—cultriform, cultrate, and cultrirostral are all ways of saying 'shaped like a knife,' but each is used in slightly different scientific contexts.
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