spock s brain is the first episode of the third season of the original science fiction television series star trek first broadcast september 20 1968 it was the first episode to air after nbc moved the show from 8 30 p m to 10 p m on friday nights it was repeated july 8 1969pock s brain is the first episode of the third season of the original science fiction television series star trek first broadcast september 20 1968 it was the first episode to air after nbc moved the show from 8 30 p m to 10 p m on friday nights it was repeated july 8 1969
terra firma. Terra firma is a Latin phrase, literally meaning firm land.. Nervous flyers are generally overjoyed to put their feet back on terra firma after a rough airplane flight.
Definition of firm. 1  transitive verb. 2  1a : to make secure or fast : tighten firming her grip on the racquet âoften used with upb : to make solid or compact firm the soil. 3  2 : to put into final form : settle firm a contract firm up plans. 4  3 : to give additional support to : strengthen âusually used with up. 5  intransitive verb.