(speech act, idiomatic) Used to attempt to make a serious point in a jocular conversation.

(organic chemistry) The amino alcohol 2-amino-1-propanol, related to alanine.

(botany) Describing an arrangement of leaves such that proximal (posterior) parts of older leaves overlap the distal (anterior) parts of younger ones.

(transitive) To manage (a wooded area) sustainably, as a coppice, by periodically cutting back woody plants to promote new growth. / (intransitive) To sprout from the stump.