- a growth of short, matted, woolly hairs, as on a stem or leaf
- a network of very small blood vessels in the pia mater and the cortex of the cerebrum
Origin of tomentumModern Latin from L, a stuffing (of hair, wool, and the like ): for Indo-European base see thumb
nounpl. to·men·ta, Biology
A covering of dense matted hairs.
Origin of tomentumLatin tōmentum cushion stuffing