מַצֶּבֶת matstsebeth (H4678)

something stationary, i.e. a monumental stone; also the stock of atree

1) pillar, mastaba, stump 1a) pillar 1a1) as monument, personal memorial 1a2) with an altar 1b) (Hoph) stock, stump (of tree)

from נָצַב (H5324);