The Collaborative International Dictionary
Loblolly \Lob"lol`ly\, n. [Etymol. uncertain.] Gruel; porridge; -- so called among seamen.
Loblolly bay (Bot.), an elegant white-flowered evergreen shrub or small tree, of the genus Gordonia ( Gordonia Lasianthus), growing in the maritime parts of the Southern United States. Its bark is sometimes used in tanning. Also, a similar West Indian tree ( Laplacea h[ae]matoxylon).
Loblolly boy, a surgeon's attendant on shipboard.
--Smollett.
Loblolly pine (Bot.), a kind of pitch pine found from Delaware southward along the coast; old field pine ( Pinus T[ae]da). Also, Pinus Bahamensis, of the West Indies.
Loblolly tree (Bot.), a name of several West Indian trees, having more or less leathery foliage, but alike in no other respect; as Pisonia subcordata, Cordia alba, and Cupania glabra.
Wiktionary
n. Any of several West Indian trees with more or less leathery foliage, but otherwise dissimilar, such as (taxlink Pisonia subcordata species noshow=1), (taxlink Cordia alba species noshow=1), and (taxlink Cupania glabra species noshow=1).