Tentacle

A tentacle was a body appendage.

The Nestene Consciousness attacks the Third Doctor with its tentacles. TV: Spearhead from Space

When the Third Doctor encountered the Nestene Consciousness immediately after his regeneration, it had grown itself a tentacled body. (TV: Spearhead from Space)

Kaled mutants were large brained creatures with tentacles. (TV: Genesis of the Daleks, Dalek)

Kroll was mutated after it consumed a segment of the Key to Time. It grew until it was a mile across and a hundred forty feet high, with over thirty tentacles on each side of its body. (TV: The Power of Kroll)

The Ood were a humanoid species with coleoid tentacles used for feeding purposes located on the lower portions of their faces. (TV: The Impossible Planet)