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.
Freebase(0.00 / 0 votes)Rate this definition: Cantus firmus. In music, a cantus firmus is a pre-existing melody forming the basis of a polyphonic composition. The plural of this Latin term is cantus firmi, although the corrupt form canti firmi can also be found. The Italian is often used instead: canto fermo.