Webster’s Revised Unabridged Dictionary · 1913
Ectoplasm
Ec′to·plasm (ĕk′tō·plăz'm), n. [Ecto- + Gr. πλάσμα form.] (Biol.) (a) The outer transparent layer of protoplasm in a developing ovum. (b) The outer hyaline layer of protoplasm in a vegetable cell. (c) The ectosarc of protozoan.