What is the meaning of Sed?

A noninteractive text editor (originally developed in Unix), intended for making systematic edits in an automatic or batch-oriented way.

To edit a file or stream of text using sed.

A line fastening a fish-hook.

Eye dialect spelling of said.

sitting position

but

but

Alternative form of se for euphony before a vowel, especially /e/ or /ɛ/; if

but

Alternative form of sad

Alternative form of seed (seed)

hundred, 100, C

Alternative form of sǣd

grey (usually of hair)

grey-haired

thirst

second-person plural imperative of ser

a (society-wide) custom, a traditional habit

hundred

Source: wiktionary.org