Potentially fatal

(In both the 12-hour clock and the 24-hour clock) The start of the fourth hour of the day; 3:00 a.m. (03:00). / (Only in the 12-hour clock) The start of the sixteenth hour of the day; 3:00 p.m. (15:00).

A law student in his or her third (and usually final) year of law school.

Of or pertaining to the third year of law school.

(uncountable) The amount of money equal to that of three pence (old or new). / (countable, historical) A former (pre-decimalisation) British or Irish coin worth three old pence.

The start of the last hour of the day on the 24-hour clock i.e. 23:00. / The number two thousand three hundred. / The year 2300.

A measure of the fineness of fabric; the total number of vertical and horizontal threads per unit of surface, such as a square inch.

Having threads. / (Internet) (Of messages) Arranged in a thread.

simple past tense and past participle of thread

(US, idiomatic) On an automobile (especially those produced from 1939 through the mid-1970s), a three-speed manual transmission whose gearshift lever is mounted on the steering column.