طُولٌ

[is originally a verbal noun: (see 1, first sentence:) and, used as a simple subst.,] signifies Length; and tallness, or height; opposite of عَرْضٌ; (S, O, Msb;) or of قِصَرٌ: (M, TA:) plural أَطْوَالٌ: (Msb:) it is in man and other animals, and in inanimate things: (TA:) in real things, or substances; and also in ideal things, or attributes, as time and the like. (Er-Rághib, TA.) [One says, قَطَعَهُ طُولًا and بِالطُّولِ He cut it lengthwise.]

And The utmost extent of time. (TA.) You say, لَا أُكَلِّمُهُ طُولَ الدَّهْرِ (S, O, TA) and الدَّهْرِ ↓ طَوَالَ, (S, O, K, * TA,) both meaning the same, (S, O, TA,) i. e. [I will not speak to him] during the utmost extent of time. (K, * TA.)

[In geography, The longitude of a place: plural as above.]

See also طِوَلٌ, in two places.